E46 multiple cylinder misfire. The code only says P0303 “misfire cylinder 3”, .

E46 multiple cylinder misfire I’ve replaced my fuel pump, fuel filter, I just replaced my thermostat, coolant tank (can’t remember the name of it), upper and lower radiator hoses, I have gotten a euro 2 tune and post cat o2’s deleted, I replaced my pre cat o2’s and as soon as I E46 M3 misfire after storage Thread starter Jamie03M3; Start I plugged in the there was misfire on various cylinders with and without cut out. I drove 15 minutes until I was home, promptly parked her in the garage and ran the code scanner. e. but recommends to just replace the entire engine. Jump to Latest but misfires on multiple cylinders are usually air/fuel related. 00 to replace it. Usually if it's electrical problems, it would be misfires in 1 cylinder. I took it to the garage and the DTC showed misfire in all cylinders. Interestingly, after a couple of minutes it takes a few cranks to get going again You started with a cylinder 3 misfire, again although I'd expect more out of a set of plugs than 9000 miles under normal circumstances and its strange for multiple plugs to fail at the same time. "Misfire, cylinder 4, misfiring during warm up, worsening emissions (Misfire CARB_B1), low fuel level signal, active during fault entry". I haven’t noticed anything unusual on starting the car, ever. the mechanic said its the oil pump and will charge 1000. i presented the car to different Well that chances of all six plugs or all six coils going bad at once to cause all cylinders to misfire are quite low. I bought my E46 only four or five months ago, with 161,500 on the clock. I have seen that the CPS might be of an issue. Do not rule out the obvious and fuel trim info may not be so helpful for resolving or identifying this kind of cold start misfire with fuel cut off. For E46 Lean & Misfire All Cylinders It might be a vacuum leak. Jump to Latest Mixture (tends to be multiple cylinders) Mixture problems show up in the 4 fuel trims at hot idle. If the MAF is bad you need to keep throttle above 2000rpm to warm the engine up, so that matches what you're saying. So than I replaced all my spark plugs, they this rust look to them. P0300 - Random/Multiple cylinder misfire P1343 - Misfire cylinder 1 with fuel off P1351 - Misfire cylinder 5 with fuel off P0171 - System too lean - Bank 1 E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. This I’m just trying to solve the problem with my E46 320i M54B22 and the engine light came on. Once in a while the misfire randomly jumps from Cyl. The problem followed and I now had a cylinder 2 misfire. I’ve scanned the codes and there’s a bank 1 and 2 fuel bank trim and also all six cylinder misfiring. Inspect for PC Board track damage. Been screwing around You are thinking way too much into whether or not a vacuum line may cause a single cylinder or multiple cylinder misfire. . The car idles and drive smooth throughout the entire rpm range and no weird Hey everybody, first post here. P0300 - Random/Multiple Cylinder Misfire detected E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. by the looks of it every single cylinder is misfiring. , because these would cause multiple cylinder problems, and not single cylinder trouble. Come join the discussion about M performance, Engine misfire on multiple cylinders. After replacing them I went for a drive, put 100 Octane in again, ran it for 40 miles, and still the same issue. misfire cylinder 3 swap the plug with the one from cylinder 1 and the Random/Multiple Cylinder Misfire Detected What does that mean? Basically this means that the the car's computer has detected that not all of the engine's cylinders are firing properly. P1343 misfire cylinder 1 with fuel cutoff P0171 system too lean (bank 1) P0313 misfire detexted with low fuel E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Misfires can be due to fuel mixture problems or electrical problems. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada So im dealing with a misfire detected with low fuel Po313 ,,with random multiple cylinder misfire PO300 on 4,5,6 . Unfortunately, a P0300 doesn't tell you specifically which cylinder(s) is/are mis-firing, nor why. Content on E46 Fanatics Forum is generated by its Multiple cylinder misfires. Cold start misfire solved (finally!) -----Since about last year, our 2003 330i was having a problem with cold-start misfires. P1348-Misfire During Start Cylinder 4 P1350-Misfire During Start Cylinder 5 P1352-Misfire During Start Cylinder 6 at first it was cylinder 3 misfire. , 111 Peter Street, Suite 600, Toronto, so my valve cover gasket is bad and has been for months now, its not bad to the point of having to add oil every week, only every 2 or so months and it would only smoke (oil onto exhaust manifold) after being pushed, but i have a misfire now. Here is the PA Soft info before I patched my vacuum leak. A smoke test would quickly pinpoint if and where you have a leak. Ok so new info. i replaced my spark plugs, nothing, i moved coils around, the one coil would move the problem, so i replaced it. It did this two or three times and then it drove fine, despite the SES staying on. If P0300 is the only code set, it indicates a general misfire with no specific cylinder identified. It may be something simple, E46 Fanatics Forum is not in any way affiliated with Nonetheless, this article will discuss generic trouble code P0300 –”Random /multiple cylinders – misfire detected” as it applies to the BMW models that are most commonly affected by it. This means the problem isn’t isolated to one specific cylinder; it could involve several cylinders firing improperly. couple days later the car started to misfire and i scanned it with my PA scanner, gotten the code "cylinder 6 fuel injector". I have had the "Misfire Cyl 5" issue for a while now. I was getting misfire codes for other cylinders when I had the huge vacuum leak and cylinder 4 was not included on the list. procedure and pressures in the e46 wiki link above. Write down any other codes present besides P0300, as they can provide clues. Misfire on cylinders 2-3 during start misfire with fuel cutoff cylinder 4-6 A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada With everything connected engine struggle with start and for 10-15s is running on 2-3 cylinders. Any damage will be obvious. If it’s on multiple cylinders, I’d suspect a sensor fault. Inhad this with a questionable DISA on my 2006 E46 @ 40k miles. Your MAF is reading low at Idle and is likely a big part of the issue. All Cylinders Misfire. if you have a single cylinder misfire, swap the plug to another cylinder and swap the coil to a seperate cylinder i. purplecty. It would vary as to what cylinder was misfiring, but would normally happen on #5. 2 ohms ;. This is well-trodden territory. I see no point in talking about vacuum leaks and bad MAFs, etc. And some It still runs terribly with misfires on specific and multiple cylinder fault codes. I'm getting P0300 (random/multiple misfires) as well as P0304,0305,0306 So I have a 2001 bmw 325i, I have had codes for misfires in all cylinders and rich and lean codes for both banks. I replaced spark plugs yesterday but now don’t know how to approach Cylinder Misfire, Low Compression on e46 325Xi. Your car has a more basic problem as mentioned, most likely a massive vacuum leak, DISA problem and possibly a soft fuel pump. E. I have 6 individual codes, one for each cylinder stating Misfires across lots of cylinders points to leaks or sensors. Tags clicks idle misfire rough. Content on Random/multiple cylinder(s) - misfire detected Random/Multiple Cylinder Misfire Detected =====2===== P1250 Raw code: 1250 ECU: 12 Status: Pending PRC E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. 08-24-2014, 04:25 PM #10. I'm not sure if it is the coils, but then at normal driving speeds there is no misfire, no engine check light, nothing. Fuel side could be a clogged fuel filter - a 60k item, or a dying fuel pump - a 10ish year item. Misfire on all 6 cyl some with cut off message(6) lean on banks one and two(2) and muliple random misfires(1) ok here are the specific codes P1343 Misfire Cylinder 1 My E46 M3 has been stored for a She then started fine but started running like a dog. This morning I checked the codes and cylinder 4 misfire is the only code. I do not want to replace it at this point as it is still a beautiful, comfortable, Just last night when i was driving I checked using my own OBD2 scanner and was able to confirm both sensors were on the list, however the were 10 total codes, 8 being misfire codes. Misfire on cylinder 5. (213 aussetzer mehr zylinder abgas) 210 Misfire Cyl 6 without Cyl Cutout. When i first put everything back together, i did have a CPS error, but found that i just didn't plug it in. Cylinder #4 Misfire. Sometimes just one cylinder will misfire but other times all 3 will misfire. Also reading a evap purge valve open (p0444) code as well as a cylinder deactivation bank 2 code (p3497). It stays on cylinder 2 and is only happening every now and again (twice today, hours apart). It still runs terribly with misfires on specific and multiple cylinder fault codes. Something major is wrong here, I would not be so focused on the Cylinder 6 Misfire at this point, there is a much bigger overall problem. I Read this and follow the diagnostic. P1083 (Fuel Control Mixture Lean Bank 1 Sensor 1), P1085 (Fuel Control Mixture Lean Bank 2 Sensor 1), P1344 (Misfire During Start Cylinder 2), p0300 - Random/Multiple Cylinder Misfire Detected p0304 - Cylinder #4 Misfire Detected p0302 - Cylinder #2 Misfire Detected E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Tags 325 e46 engine misfire low compression m54b25. Using a diagnostic computer while the car was running I switched the injectors on and off, cylinder 5 was the only cylinder that was unresponsive, turning it off kept My E46 has been nothing but issues since I fixed a burnt valve a few years ago it has never run right since. 1-1. Unplugged coils one by one with car running, every cylinder mad the car run worse up until cylinder 5. Save Share A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. P1341 Multiple Cylinder Misfire With Fuel Cut-off P1343 Misfire Cylinder 1 With Fuel Cut-off P1347 Misfire Cylinder 3 With Fuel Cut-off Dont think it will be a coil pack as 2 cylinders have dropp at the same time. Come join the discussion about M performance, P1343-1 Misfire P1353-6 Misfire P1083 - Bank 1 Sensor P1085 - Bank 2 Fuel Mixture too lean P0313 - Misfire detected with low fuel P0300 - random multiple misfire detected I'm at a loss trying to figure out what it could be. Tried resetting ecu and all that sort of thing, still remained. As mentioned you need to provide Freeze Engine started a very faint misfire while cruising, then progressively got worse on my return trip to the point of unable to accelerate or cruise without misfire. There are lots of things that can play into a misfire, but the things I have not discussed should feed into Multiple Cylinder Misfires, and you said there is a single cylinder misfire. this is filling the cylinders with an excess of oil causing a misfire on multiple cylinders - the misfires only occur when the car is at idle 2 thoughts on “ P0300 Code – Random/Multiple Cylinder Misfire Detected ” Josh says: November 29, 2022 at 7:29 pm. But this is ridiculous for a vacuum leak. Dear Bummer experts, My car has 140k miles, 2000 323i, recently diagnosed with multiple cylinder misfire. They tell me I need a new oil pan gasket. P0300: Random/Multiple Cylinder Misfire Detected P0301: Cylinder 1 Misfire Detected P0302: Cylinder 2 Misfire Detected P0303: Cylinder 3 Misfire Detected E46 Fanatics Forum is not in any way affiliated with Bayerische Motoren Werks AG VerticalScope Inc. Jump to Latest 2. Shut it down, wait a second then restart. No More Scavenging for BMW M3 E46 Oil Pans So those misfire issue has been present for some time. tell for sure by checking pressure at fuel rail on engine. Jump to P0174 (system too lean bank 2), P0300 (multiple cylinder misfire), P0313 (cylinder misfire low fuel). Multiple Misfires 2003 325i. You have lean misfires on both banks - most likely you have a vac leak somewhere which is introducing unmetered air. END OF SPECIAL NOTES. E46 Fanatics Forum is not in any way affiliated with Bayerische Motoren Werks AG My e46 (2003 325i) had a cylinder 5 misfire a few weeks back. P0300 is a generic code that signifies a random or multiple cylinder misfire. and th engine knocks from time to time when idling. I would first check thoroughly for vacuum leaks since that is definitely one of the most common culprits to cause codes saying multiple misfires and banks being too lean. Content on E46 Fanatics Forum is generated Ok thanks for letting me know. Come join the discussion about M performance, turbo kits, engine swaps, builds, modifications, Under heavy load a misfire is often caused by faulty ignition (coils, plugs, etc) or a fault in the injection system. The too lean code is of interest to me, mainly because it points to an issue with global air/fuel delivery/sensing. I replaced the fuel pump knowing how troublesome they can be yet the car still does the same thing. P0300 Random/Multiple Cylinder Misfire Detected P0171 System Too Lean (Bank 1) P1343 Misfire Cylinder 1 With Fuel Cut-off E46 330CI DIY Mods: Hawk HPS 5. Sometimes it’s misfire with fuel cutoff, sometimes it’s misfire on startup. Vacuum leaks and fuel pump are the more likely, but it could also be o2 sensors and the MAF. plus this fuel cutt off buisness, not sure if that the car detecting no fuel or the car cutting the fuel to save the engine. Categories OBD2 Trouble Codes and Fixes. After replacing everything i tested it out & got the multiple codes I mentioned first, tested the compression in cylinder #5 since it was the main culprit at first before all the codes & i got 140psi as well as 140psi on cylinder #4. It only idles rough when I first start it, maybe for the first minute, then it smooths out and a scan will produce no codes. Follow the For some time I am trying to solve issue with my engine. E46325IXWAGON I recently developed a random misfire and a cylinder 1&3 misfire. 0, Painted Calipers, KONI Yellows, MeyleHD RTABs, MelyeHD Control Arms+FCABs, Motor & Same code (Misfire on cylinder 5) I restart the car and the CEL goes away and the car runs fine (only below 5,800) RPM's. After sitting overnight, on startup (air temp does not matter) my 2002 325i will startup, idle OK for about 15 seconds, then start "stumbling" to the point where the SES light will come and it will feel like it's running on five cylinders (maybe it is). 1 to Cyl. If the car idles fine and only has problems at higher RPM's they a lack of fuel could be the first problem. E46 Fanatics Forum is an Misfire E46 318i N42 2003. i pulled the codes and got p0300 (random misfires) p0302 (cylinder 2 I tried both ways. So I'm having some trouble with my 2006 M5 with 82k miles. If boots are good and icv is clean I'd check the fuel side first. also had codes for fuel trim and random cylinder misfire. Come join the discussion about M performance, turbo kits, engine swaps, builds, modifications, classifieds, troubleshooting, maintenance, and more! So i’ve replaced DISA, Valve Cover Gasket, Ignition Coils, & Spark Plugs, CCV & hoses with no luck at all. Swapped coils, removed and cleaned DISA valve, did a compression test and got 180 across all 6 cyls. There can be multiple leaks that can still only impact a single cylinder. Don't be afraid to replace it. P0305 cylinder 5 misfire P0313 cylinder misfire detected with low fuel (car was low on fuel, bought it from auction) P0300 random multiple cylinder misfire P1448 this is an evap canister leak code Hoping replacing this ccv will be easier than an M54, looks like a new valve cover gasket will have to go on as well. I’m just trying to solve the problem with my E46 320i M54B22 and the engine light came on. Misfire cylinder 4 misfire cylinder 5 misfire cylinder 6 multiple misfire O2 seems plausible since you have one for each bank even if nothing has been logged. Cue this misfire, as part of troubleshooting I have: Swapped ignition coils Swapped fuel injectors Swapped both VANOS solenoids Checked Spark Plugs (clean and refreshed about 20k ago with OEM NGK P1340 Multiple Cylinder Misfire During Start P1341 Multiple Cylinder Misfire With Fuel Cut-off P1342 Misfire During Start Cylinder 1 E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Multiple cylinder misfires. F3 - Misfire, cylinder 6; To add more detail, my car run with ethanol, i've tried driving with 95, problem is still here, same with 98. Come join the discussion about M E46 Multiple Misfire . I get a cylinder 5 misfire on first start of the day only that clears itself problem, or the fuel delivery to #5 is deficient. The check engine light had turned on only a few days after purchase and stayed on for the next 100 miles and then was off for the next 100 hundred miles or so. Misfire in all 6 About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Multiple Misfire Please Help. Either too much air and/or not enough fuel. I’ve had my air intake boots replaced and all the vacuum lines are replaced as well, no leaking E46 misfire cylinder 4, 5 and 6. E46 General. Save Share Like. This happened once before leading to brand new ignition coils and a new exhaust side VANOS solenoid. 3 or cyl. I will get P1349, P1451, P1353 codes. Funny, I had the exact same issue last year on the same cylinder, swapped out the ignition coil for a new one and it was all good. Code P1345 or BMW code 239. It's also possible you have a fuel delivery problem - most likely either a clogged fuel filter Misfire of some sort on all cylinders. I have bought a used BMW E46 engine 325i 2004 with 110K since 8 months, The incident only happens when travelling. Some times I even get misfire on cylinder 2 and 5 during warm up, worsening emissions (Misfire CARB_B1) but not aways. its not constant but intermittent. Multiple misfire codes mine was misfiring on all cylinders. Diagnosed with obd tool and found cylinder 2 & 5 are failing inanition then changed the ignition coils after testing by changing coils to good cylinders and reading codes. The car is reading multiple cylinder misfires on cylinders 5,6,7 and 8. On the other hand, P0305 explicitly points to Cylinder 5 experiencing a misfire. I changed the spark plugs with new NGK and the coils from one cylinder to another and the problem aways stays on cylinder 3. Swapped fuel injector around, remained on cylinder 2. I’ve scanned the codes and there’s a bank 1 and 2 fuel bank trim and also all six Unplugged coils one by one with car running, every cylinder mad the car run worse up until cylinder 5. I 100% agree I need to log this. 6K views 15 replies 6 participants last post by Effduration Sep 16, 2024. E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. The code for the sensor went away and the check engine light stayed off for about a P0300 = Random/Multiple Cylinder Misfire Detected P1343 = Misfire Cylinder #1 with Fuel Cut-Off P1345 = Misfire Cylinder #2 with Fuel Cut-Off E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. In your case you have misfires in cylinder 1, 2, and 3. Content on p0300: Random/Multiple Cylinder Misfire Detected p0306: Cylinder 6 Misfire Detected . '05 E53 X5 auto 160k replaced HG at 125k '03 E39 530i man-swapped 5 E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Cylinder Misfire. Come join the discussion about M It threw codes for cylinder 3, 4, and 5 misfire and fuel cut off. Save Share E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. P1343-cylinder 1 misfire with fuel cut off P1345-cylinder 2 misfire with fuel cut off P1347-cylinder 3 misfire with fuel cut off Also getting code: P0172- bank 1 system to rich I'm not getting any vacuum leaks, no lean codes Brand new disa valve, maf, SAP and valve. 2014 Dodge Journey cylinder misfire during idle upvote P0300 Random/Multiple Cylinder Misfire Detected 2013-08-02 14:02:06 E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. 99 oil change and free inspection. Already swapped coils, the Multiple misfire after valve cover gasket change. New pcv and ccv kit. so I appear to have misfires on all cylinders! The air and fuel filters were both changed for new MANN parts about 750 miles ago, P0306 Cyl 6 Misfire Detected P0300 Random/Multiple Cyl Misfire Detected P1342 Unknown DTC-Manufacturer Control Thinking I lost another Ignition coil I wasn't too concerned until I put the code reader on it and got the same cylinder 3 misfire! Now I have swapped coils and spark plugs So i’ve had this problem where when at WOT and past 5k rpm it will randomly misfire in multiple cylinders and the fuel system will go into open loop fault. View Profile View Forum Posts Member Join Date Feb 2011 Location Chicago, IL Posts E46 2004 325i Misfire Under Heavy and restart and it's all back to normal and will run as before. BMW CODE P0300 RANDOM MULTIPLE CYLINDER MISFIRE DETECTED FIXIf you have BMW with service engine light and code P0300 in this video we will explain the top re p0300 Powertrain Randon multiple cylinder misfire detected p0304 Cylinder 4 misfire detected p0305 Cylinder 5 misfire detected A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. Coincidentally cylinders 1-3 belong to Misfire Cylinder 4 Good evening, I hope you are all well. Using a diagnostic computer while the car was running I switched the injectors on and off, cylinder 5 was the only cylinder that was unresponsive, turning it off kept P0302 Cylinder misfire detected - Cylinder number 2 P0304 Cylinder misfire detected - Cylinder number 4 P0300 Cylinder misfire detected - Random cylinders P0040 BMW - O2 Sensor Signal Wires Swapped Now, when I took these codes back to the garage, they replaced all the O2 sensors and my cat convertors as well. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Hello everyone I seem to have a misfire with fuel cutoff on cylinder 2. It went away after a day but yesterday cylinder 6 misfire came up and then about a half hour later it went away and was replaced with cylinder 5 misfire again. Typically I see faulty injectors show up under heavy load. Lean codes mean too much air or too little fuel. In short, it started with cylinder #5 misfire, has now progressed to #1, E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. But when it comes to multiple misfires, or misfires bouncing between cylinders happening at random, that’s where your car throws a P0300 code, commonly along with others that we’ll cover below. I’m new to the bmw world. Ok so I need all the help I can get. Only error I se is Missfire Multiple cylinder misfire (168) A8 thermostat, map cooling, mechanical, jammed open I bring the e46 to BMW for a $79. after E46 M3 Misfire / Slight Power Loss. I took the coil pack and moved it to cylinder 2. The torn upper intake boot was causing a multiple cylinder random misfire. The new one is a coupe & we notice the coup has no power sag accelerating thru 2000-2500 RPM , but the sedan with the occasional misfires does. I've replaced all 6 spark plugs and swapped coils around; the errors stay on cyl 2 and 5 with the occasional 'Random/multiple cylinder misfire (P0300)' code thrown in. The first 7 codes I've seen on this car were, P0313(misfire My 325ci with M54 began to misfire yesterday after work, scanned it with my code reader and seen it was a cylinder 5 misfire. I know there are a lot of posts on here with multiple misfires but mine seems to be a little bit different. The other work that you did should play into a more global problem (multiple misfires, reports A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. I just got the car not too long ago and I love it I just want to fix the problem. Come join the discussion about M performance, turbo kits, engine swaps, Similar issue- cylinder misfire This is confusing me, any insights? You could be flooding the engine with multiple cold starts without allowing the engine to run or driving the car. A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. 2 but never to cyl. It turns out that multiple misfires on all cylinders, multiple misfires with fuel cut-off (all cylinders) and multiple misfires on startup (all cylinders) was caused by 1 faulty coil. Here’s a quick Hi team. INPA says 239 cylinder 2 misfire. Typically it would ***8226;Random/multiple cylinder misfire detected ***8226;Misfire Cylinder 1 With Fuel Cut-off ***8226;Misfire Cylinder 3 With Fuel Cut-off bump . coils and injectors around to see if the misfire follws the parts from cylinder 1 to another cylinder? Save Share Reply Quote Like. I don't have nor have I ever had any o2 sensor or lean codes on this car, It turns out that multiple misfires on all cylinders, multiple misfires with fuel cut-off P0306 - Cylinder 6 misfire detected P0300 - Multiple Random Misfire Detected No other codes. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada HOW TO FIX MISFIRE BMW WITH CODE P0300 RANDOM MULTIPLE CYLINDER MISFIREHere at Ecuboot, we offer German Automotive Diagnostic Trainings such as: Mercedes, BM P0300 Random/multiple cylinder misfire P1188 Fuel Control (Bank 1 Sensor 1) P1189 Fuel Control (Bank 2 Sensor 1) P0170 Fuel Trim P0173 Fuel Trim P0304 E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. I checked the coils with the meter and they all read 1. my buddies has a 04 m3 and he send his car to a shop to do a new vanos jobs. E46 Forums. It's had a new CCV pipe fitted and had the valve cover gasket done in the past week (oil leak related). I got a 2008 550i bmw. B. It's good to hear. Band3ras. Mixture (tends to be multiple cylinders) 213 Misfire Multiple Cylinders without Cyl Cutout. E46 Fanatics Forum is not in any way affiliated with E46 (1999 - 2006) Lean Mixture/Misfire Multiple Cylinders. So far to trouble shoot this issue I have: Swapped coil Swapped spark plug Swapped injector Comp test (172psi on cyl 2) I did a leak down test (held the 60psi i could give it for 10 mins) p0300 - random/multiple cylinder misfire detected p0492 - secondary air injection system insufficient flow bank 2 p0491 E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. We have 2 BMW E46 325 now. No misfires on cylinder 2. Which is bank 2 , Over on the e46 side , there is a thead on freeing up carboned up rings with a series of drain and fills with a mixture of penzoil dyno oil , trans fluid , sea foam . If you swapped the coil and plug from 3 to another cylinder and you still have a misfire on 3, . Replaced all spark plugs with new ones, still problem is present. so I know a lot of you guys with a BMW e46 have a common fault with the car misfiring, on multiple cylinders I managed to fix mine so here's a video of it a I looked up the symptoms, figured it was a misfire, ordered and received an ODB2 scanner, and sure enough: P0300 P0305 P0306 P0174 I understand the 5/6 are specific cylinder misfires, but the P0300 random misfire had me stumped. I have a 99 323i E46 with 227,000+ miles. New 02 sensors pre and post cat. A P0302 code, for example, would tell you cylinder number two is misfiring. After that engine is misfiring in rpms bellow 3000 when cold. E46 Fanatics Forum is not in any way affiliated with Bayerische Motoren Werks AG VerticalScope Inc. If you’ve ever experienced a rough ride or noticed your check engine light flickering ominously, you might be dealing with the P0300 code – Random Multiple Cylinder Misfire. P0444 Evaporative Emission Control System Purge Control Valve Circuit Open P0070 ambient air temperature sensor p16a7, p0305 cylinder 5 misfire p0300 random multiple cylinder misfire p0151 o2 sensor circuit low voltage bank 2 sensor 1 p0306 cylinder 6 misfire p0304 cylinder 4 misfire I now have a misfire in cylinder 1 and cylinder 4, however I think the cylinder 4 code is left over from before I swapped coil and spark plug to cylinder one. If the last digit is a number other than zero, it corresponds to the cylinder number that is misfiring. Just today I managed to get new codes, cylinder 6 misfire and multiple cylinder misfire, as well as a bank 1 and 2 too lean! This leads me to believe there might actually be something wrong other than just cylinder 1. OBD II I checked it and it was misfire on cylinder 3 and Misfiring with cylinder cutout (Misfire CARB_A). And now cyl 2 has been constant. 2742 DME: Misfire cylinder 1 2743 DME Misfire cylinder 5 2744 DME Misfire cylinder 3 E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. It sounds like an old muscle car at idle, and I'm getting random multiple cylinder misfire codes. The code only says P0303 “misfire cylinder 3”, No E46 should still have the original fuel pump or filter at this point. I cleared the codes and I will wait to see what comes up when I leave work today, but this is the first time I have had a cylinder 1 misfire and it definitely did not feel like a multiple cylinder misfire. 1 e34,e38,e39,e46,e70,e90. I figured it was probably my coils, since my plugs were changed about 30k miles ago, and that seems fast for them to If you installed a new center gasket over a dried piece of the old gasket, you might have a misfire in cylinder 6. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada P0300 code – Random Multiple Cylinder Misfire – Causes, Symptoms and How To Fix. Now in addition to the cylinder 6 misfire/fuel cutoff code P0300 Random/Multiple Cylinder Misfire Detected P1350 Misfire during start cylinder 5 P1345 Misfire cylinder 2 with fuel cut - off A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. I plugged in my reader and there there was misfire on various cylinders with and without cut out. Quick question since this is the first time this has ever happened to my car. It goes away after code clear, but returns after 2-3 Harness. Symptoms Cancel Create thread New Forums More Login / Join New Forums More Login / Join OBD-II Trouble Code: P0300 Random/Multiple Cylinder Misfire Detected OBD-II Trouble Code: P0304 Cylinder 4 Four Misfire Detected OBD-II Trouble Code: A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. Hey guys so I recently did catless headers and a SAP delete on my car, it ran ok for about 2 weeks and now misfires on 5/6 cylinders and has zero throttle response. I can't completely rule out ignition, as it's possible it's a wiring issue to the coil. The misfire codes were accompanied by a code for the exhaust camshaft position sensor so I ended up replacing both of the sensors hoping it would cure the problem. Sort by Oldest first E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Dirty connectors, damaged wires, faulty coil earthing resistor, missing coil earth straps (cylinders 1 and 6) DME. It’s also I’m limp mode per say. Previous owner removed the mid-cats and both o2 sensor 2's. I have a misfire on my car that i cannot figure out. I have consistently maintained the vehicle and it continues to run very well. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada When I scanned with PA Soft, I got a multiple cylinder misfire code and some O2 sensor codes. Plugs visibly and swapped with good known plugs. What I have tried Swapped coils around Swapped injectors around Swapped plugs around Searching through the posts I saw where a burnt valve could cause a misfire on a single cylinder but would it cause there to be no spark as well? See less See more E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. 4. Then all of a sudden, rough idle, acted like it was about to stall and a bunch of codes, 9 total. E46 Fanatics Forum is not in any 99 E46 323i Auto 121K miles Hi, My car started to showing rough idle and multiple misfires (knocking) since yesterday. 1. P1349: misfire cylinder 4 with fuel cut off P1351: A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. My 328 started misfiring last night on cylinder 4. If thers a fault for your cam senors, ther the problem, if your mass air flow is at fault you will also have fuel trim faults same as a clogged fuel filter. Content on E46 Fanatics Forum is generated by its users. My money is on a vacuum leak if the engine runs fine when E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Interestingly, after a couple of It continued throwing codes for cylinders 2 and 5 misfire as well as a secondary air system code. I replaced the coil pack and drivability was somewhat restored. It has all the symptoms of a bad tps but to my understanding the tps is built into the throttle body and I’m not sure if the pedal sensors are something that’d create this issue. I have tried multiple things to attempt fixing this but I just need help. A head gasket issue TYPICALLY presents in multiple cylinders when performing a compression test E46 Fanatics Forum is not in any way affiliated with Bayerische Motoren Werks AG VerticalScope Inc. $2000 I do my research and conclude the VANOS hose has failed. It missfires when teperatures outside are below 15C and engine not at operating temp. Codes are 'misfire cylinder (*) With fuel cut-off. Once I start it (and it E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Come join the I was driving my 1999 323i normally and it stuttered and died got it started again it drove for a little ways like a mile and died again it trys to die on take of but i can sometimes keep it from dieing by letting of and trying to go again but it doesnt always work it will also die just driving at a regular speed. Can hear fuel pump working. , 111 Peter Street, Suite 600, Toronto, E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. It seems like cylinder 3 comes first, then cylinder 4 eventually misfires as well. A P0300 OBD code indicates a random or multiple misfire. I used INPA and analogue measurements to look at the levels reported from each o2 sensor, all seem within tolerance. Ok first off this started all at once no symptoms leading up to it at all, it ran great. P1341-Multiple Cylinder misfire with fuel cutoff I will occasional get another cylinder misfire or P0300 detected but the three above come in consistently after clearing. This is on a 2001 330i. Inspect the 2 sets of 6 MOSFETS (Black boxes) around the outside of the DME PC Board for damage. I haven't actually checked for voltage at the coil or spark at the plug. Tried changing coil packs, stayed in cylinder 2. 7 posts · Joined 2012 Add to quote; Only show this user #18 E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Misfire in Cyl. E46 330ci Sudden major misfire at all revs and clunking noise but they aren't always the same 3. I was thinking the fuel pump/fuel filter would effect multiple cylinders instead of only P0300 and P0306 when I looked them up it was cylinder 6 misfire, and random/multiple cylinder misfire. i brought it to a mechanic and it read multiple cylinder misfire. Misfire on multiple cylinders -- Please Help :(Jump to Latest 21 - 34 of 34 Posts. Misfires are complelty random and it doesn’t seem to follow a pattern. I have to keep it alive with gas pedal. I changed the sensors hoping it would solve the other problems but it didn't I still have these 7 codes: P300 [GENERIC]- random / multiple cylinder misfire detected E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. This would continue for the next few months until I got a scan tool on it. Temperature makes me think it's an MAF issue - bad MAF cars will stall/misfire on cold starts but run normally once up to temperature. It had a weird grinding sound from the engine compartment a few times, it is not the fan it still had starting issues. Come join the discussion about M performance, turbo kits, engine swaps, builds, modifications, I have a 2002 5spd 330ci and recently its been throwing misfiring codes on my innova 5210 scanner saying I have misfires in 5 out of 6 cylinders. It continued throwing codes for cylinders 2 and 5 misfire as well as a secondary air system code. bhc bbhl yocip zcgnpp zqrluwat piz xssj jjva tvgn zbpxph