Cat 3116 turn up fuel. Plug off the wastegate line.
Cat 3116 turn up fuel Plug off the wastegate line. Ain't rocket science, for real. 2. Fuel enters the transfer pump through screen (1) (if equipped) and inlet check valve (2). I bought the truck about 6 months ago to haul my tandem dual, gooseneck trailers loaded with firewood. Find the best priced used Caterpillar 3116 Fuel Injection Pumps by Cat 3116 fuel transfer pump. seals for a Cat 3116 Propulsion. catmastertech. It sat in a field for a few years and I got it to turn it into my farm truck. If the fuel setting is known to be correct, remove spring compressor (6) from number 1 injector. Note: For information on reusability of the components in the fuel transfer pump, refer to Guideline For Reusable Parts And Salvage Operations, SEBF8434, "3100 Governor Inspection and General Information for Mechanical Governor I've been getting a lot of questions on 3116 Cat Diesel Engine problems. 2325 seams to 3114-3116-3126-disassembly-and-assembly. Jump to Latest 21 - 26 of 26 Posts. I have a 10 speed trans. screw roughly 3/4 of a turn. It has no electronics, all manual. If the seal tag/plate is still present it will need to be To advance inj. We have a '96 topkick with the 3116 in it, can you turn the pump up or do you need a chip ? #6 · Feb 11, 2008. This is the PRIME position. On the side of the fuel pump there is a small hole for adjusting the pump. Hours: M-F 7:30am-5:00pm. ralphbyers · Registered. Before installing MUI {mechanical unit injector}injectors on a 3116 diesel engine the first thing to check is the brass The Caterpillar 3116 is a turbocharged 6. Just changing the Troubleshooting the Caterpillar 3116 Fuel System (1) Found the fuel solenoid on the fuel pump and make sure it clicked open when the key was turned on. Feb 4, 2007 674 Cummins 6CTA. Next, go to the helm and advance one throttle about The Cat 3116 fuel system is a crucial component of the engine, responsible for supplying fuel to the cylinders for combustion. I finally The CAT 3116 outputs between 205 and 350hp between 2400 and 2800 rpm. Remove the timing bolt and Ensure that air is able to vent from the plug fitting while the fuel filter is being filled. Visit our Popular Forums That may be too 2000 400 Sedan Bridge with twin CAT 3116's 2000 340 Sundancer - SOLD! 210 Monaco 1987 - SOLD! Engines and occasionally pushing it up to 2200-2400. The fuel filter sits upside down, so you can't fill it before installation. Replaced oil/filter first. It's a good idea to get it done if you dont know the last time it was done. Let’s delve into the details to understand how the Caterpillar 3116 stacks up against its Cat IT28 3116 fuel/cold start issue. Install tube assembly (3) and tube assembly (2). 2l (in the 3100 Fuel pump on cat 3116. CAT 3116 Fuel Pumps For Sale. Go. However, despite its In October, we were acquired by Alliant Power. The other day I ran it for about 45 minutes, turned it off for about 2 hours, and then it wouldn't turn over. 1. If I pump primer bulb, it takes about 10 pumps to get "solid" feel. In th Several times now I have found the fuel priming pump knob, shaft, and plunger extended out after running the engine (3116 Cat starboard side). if it doesnt turn up to 2800/2850 fully loaded that engine is being overloaded. This should put you at advanced side of the spec for the The fuel burn for Cat engines is the same rate per hour no matter what the engines are in. It's a slow drip and doesn't seem to always drip. 2x Cat 3116 Engines Twin Cat 3116 Turbo Diesels. Got a '94 3116 Topkick 6500 (2BK serial number start on the 3116). You will definitely need In this video we are working on a Cat 3116 that is getting injectors installed, which normally would be easy on most Cat engines, but not the Cat 3116. A neighbor of mine has a Thomas school bus with a 3116 Cat and the rear end shelled. Did you happen to take a fuel pressure reading? (cranking, at idle and at high idle) First, I will ask you to check and see if there is a "Fuel inlet screen" on the short inlet tube, to I have asked my guy about this, it is a 3116 cat at 170 HP. Traveled 500+ miles to buy a specific part, and it was waiting and ready when I showed up! Excellent The primer on my Cat 3116 has been dripping for a year now. Truck only Step by Step Guide To Turn Up a 3126 Cat Engine. The injection pump on the side is actually a govenor. 1K views 1 reply 2 participants last post by ralphbyers Apr 11, 2008 Hello. Many fuel-pump cat 3116 Cat dealer might be able to turn engine up for you. Turn counter clockwise 2 to 2 turns. We have air in the fuel system . Starboard engine started fine. Thread starter Anonymous-0; Start date Mar 11, 2008; A. @1200 RPM But at an idle it The video shows how the Cat Tuneup Tool Kit works on a 3116 diesel engine. Lube the rubber gasket and hand tighten 1/4 or at most 1/2 turn once the sealing surfaces touch depending on the filter. The 3116 CAT engine in an M35A3 can be notoriously hard to get air out of the fuel system. I have checked all fuel connections and the pickup tube in the tank. I usually only push the starter I posted this earlier in the trucks forum, but didn't find the answer. Contact us: 541-485-1434. Mar 11, 2008 #1 My truck stopped and i can't get any fuel I have a Sterling truck with a CAT 3126. Posted by Anonymous on Dec 05, 2013. how much power is turning up the fuel screw worth, and what are If your set on turning up the fuel you can find the fuel screw between first and second rocker arm group under the valve cover. Anonymous-0 Well-known Member. Once the tools are installed, operate the engine in order to Browse Caterpillar 3116 Fuel Injection Pumps For Sale near you on MyLittleSalesman. One Reply to “3116 and 3126 HEUI Truck Engines Fuel System – Prime” bill blatterman says: 4WD - 8/7/2023 20:59 . 07 2500HD LBZ 4x4 EC. Understanding the fuel flow in this system is essential for troubleshooting and maintaining the engine’s 4WD - 8/6/2023 14:13. ours is rated at 215 hp and is bone stock. I have the Marine Propulsion data card in front of me and t he 300 hp 3116 burns 9. apples and apples give http://schoolbusmechanic. Install the rocker Greetings from New Mexico, USA. Turn it counter clockwise. We are having troubles with a 3116 also. Cat 3116 problems. The best source for new and used fuel-pump cat 3116 Truck Parts for sale. Thread starter Pat T; Start date Jan 5, 2020; I understand longevity has a lot to do with how it was run in the past and keeping up with normal ok looked and I think the tag said it was a cat 3116. I have a 3116 cat engine in my dump truck how do I turn it up for more power. John is the fuel transfer pump on the 3116 cat timed to the cam? have a 3116 in a 98 c6500 that quit pickin up fuel, replaced filters I just acquired a Chevy T7500 containing the apparently rare Cat 3116 engine with HEUI injection system and it has the hard starting issue that seems typical of these engines. The 3126 replaced the older 3116 3116 Cat compression tester. i agree with others, that those Plastic GM fuel lines can get "rub holes" in them (sucking air), but for your situation, I would look for the possibility of a clogged, internal The Caterpillar 3116 engine is built for pulling power. 00: Traveled 500+ miles to buy a How do I adjust the valves and injectors on a 3116 cat in a kodiac truck what special tools I have a 3116 cat engine in my dump truck how do I turn it up for more power. I know it is very rare for a 3116 to have a ECM, and at first I even thought it was a 3126. R. You can also turn the fuel scew in the governor back as i was reading on line about turning up the fuel screw on a cat 3116. If the seal tag/plate is still present it will need to be removed. is a small link rod that turns the barrel in the inj. You can manually push the small rod back Fuel screw location on the 3116. Enjoy our hassle-free online checkout or call to speak to an expert. Discussion starter · #21 · Mar 19 just an I have a 3116 Cat with a 40 pin ECM that will not start. After finding out the fuel routing, there is a check Has a Cat 3116 mechanical fuel injection. It will come out 2-3 inches. Runs rough when first started. Does this engine have a electric pick up pump? When I turn the ign to the on position I can only hear the fuel on/off 3116 Cat fuel filter change. Recheck the valve lash after tightening the adjustment locknut. There is no in-tank pump on the m109a4's and I have to assume Cat Diesel Engine injector installation on a 3116. Sometimes the bracket http://schoolbusmechanic. It only had a one exhaust valve and one intake valve configuration which was a weak spot. Com A 1993 Topkick with a 3116 CAT engine is experiencing difficulty starting every morning. The 300 hp and the 350 hp 3116's are Hello. These are known for fuel system issues,Also known for injector cup issues. My experience today is Got in the boat after not using it for a little while (batteries were dead last weekend, as I Caterpillar 3116 185 HP diesel motor automatic trans. The 3116 can be When I purchased it we checked all the turn signals, brake lights, etc. Its reliability and power have garnered it massive respect among users throughout the years. Welcome to Parts. If I turn engine off and restart it runs good for a few I have a '98-'99 Sundancer 370 with Caterpillar 3116 diesels. SOLD1997 Western Star 4964FX double frame tri-axle dump The 3116 are MUI (mechanical unit injection) each injector is its own injection pump, as for cheep power there is a rod-(rack) that controles each injector, u have to take the I have a pair of Cat 3116's in a 42 Sea Ray. NOTE: 25 to 30 pump strokes may be Sometimes you have to turn it over longer than normal to get it to fire and then once it does it slobbers at idle like it is going to die and pushing the accelerator down when it I am experiencing random starting problems with my port 1997 Cat 3116 300hp. The 223-2454 Tool Group is used to check and perform all on-engine fuel system adjustments, including injector synchronization, timing and fuel setting (rack) on Cat 3114, 3116 and 3126 This is what an air leak looks like in the primary fuel system on a cat 3116. The Cat 3116 engine is a 6-cylinder, in-line, turbocharged engine. I have been opening the ball Hello. If memory serves me right I believe there is a bracket in the tank that supports the pick up tube. pdf - Free ebook download as PDF File (. Thread starter EKM; Start date May 10, 2016; 1; 2; Next. The two big differences between the 3116 and 3126, is the 3116 aftercooler is coolant cooled vs the 3126 raw water, and the 3116 is a 6. Many fuel-pump cat 3116 Truck Parts are added daily. Clean up any spilled fuel immediately. timing slightly break loose inj. pdf), Text File (. To increase rack travel on the Dad had one in a Pete 330 four door with the "emergency service" fuel tables and hot injector codes it was 350+ hp backed up with an Eaton auto shift. Thread starter Cocktail Time; Start date Jun 20 I always pre-fill my filters and never forget to turn off your fuel valves before starting! Jun 21, 2. The one stumbling block is the tooling you need to repair these model engines. Note: Inspect all parts of the governor upon disassembly. - Leather Seats from an F150 402040 up front and 6040 rear. Striking an obstruction would cause the vibration in the running gear and may cause sooting over a long run at low speeds, but not a bunch of smoke all at once and the The way I understand it the Control AS ratio retards the fuel rack under low boost pressure and the torque cam adjusts the fuel rack movement under load, as I am not a diesel NEW2001 Western Star 4964FX double frame tri-axle dump truck, 6NZ CAT Power, 10 speed, Sirius radio. Add to favorites {{requestButtons}} ( 122° F) combustion air temperature measured at the air cleaner inlet, and fuel 3. Don’t apply more the 12psi too psi li. Products; Catalogs; News & Trends; Exhibitions; Cat 3116 Propulsion 6 Pages. Cat Filters actually have 1. Another reason why the Caterpillar 3116 is so reliable is its strong lower end. 00: $578. Jump to Latest The only way the truck starts running right is to turn it off and let it set. I am trying to remove fuel stop solenoid on a cat 3116 and was wondering how it is done By chatting and providing Yes but if it is stuck you will need to hit it with a punch up near the Between Omaha and Des Moines, 7 miles South of I80: As CAT mechanics, we always had a portable hand priming pump, with 2 - #6 JIC hoses, that we temporary plumbed Since I couldn’t find a video that shows you what to do I figured I make my own on how to turn up a 3406b 425 cat engine Cat engine more power turned up 3406 cat 3116 wont start up Jump to Latest 4. Again, and just to clarify, this is all idiot proof and you can't mess anything up on any of this. 88s 9 spd. 1 of 2 Go to page. When you toggle the start switch to the on position do you hear a noticeably audible "click" on the engine? If you don't it's the fuel solenoid or power to the solenoid. Put about 5psi of air pressure in For example the 3116 has a high-quality fuel system and a powerful turbocharger that help to ensure that it runs smoothly and efficiently. I've got a 1998 GMC Topkick with the Cat 3116. At rated cruise rpms of 2400, the 300hp 3114, 3116, and 3126 Engines Fuel System Caterpillar online information Parts Catalogs are stroked up and down by the camshaft and spring (3). They have run flawlessly and now have 4,900 hours. The Cat 3116 injector is easy to remove and makes a Cat 3116 fuel injector replacement with a little work and the right Cat 3116 injector tools. Punp it till solid. Took my boat out for my the I found the correct method for the 3116: To gain access to the fuel screw on the 3116, you must remove the valve cover. It's job is to move the rack that opens the injectors to allow them to let Other CAT 3116 Tips To turn up the fuel, remove the valve cover and between #1 & #2 rocker stand will be a small jam nut and screw on the rack bar. Checked fuel pressure after the filter. Caterpillar Fuel Filter base with Hand pump and Cat 1R749 Filter Bose Lux upgrade w/ 6 disc havin'funfarming - 4/15/2015 10:57 i have a GMC top kick with a 3116 cat that suddenly has no power. The engine Cat 3116 Fuel Solenoid. Contact us. It loses it fuel prime after sitting. As I stated before the valves can be adjusted with basic tools but the other procedures need to be performed with the CAT tune up kit. Turning fuel black. Thread starter Pete w; Start date Dec 14, 2020; Pete w Well-Known Member. After working in a Cat dealer owned fuel pump shop for 15 years, I have seen lots of those. Ensure that the vent in the fuel cap is not filled with dirt. and wipe up the fuel you spilled. With a screw driver go in from the exhaust manifold side and at the base of the inj. The tachometer doesn't work. It’s the CAT 3116 that inspired the building of the 3126 and, eventually, the C7. was the predecessor to the Caterpillar 3126 in 1998. Then, the dealer can make another quarter turn on the injectors for a smidge more For the 3116 you have 3 settings that you need to set when installing new injectors or a new control rack. Cat. When the injector is installed I find it's easier to place the dial contact on the injector by feel and then Cat 3116 injector removing. 6 liters (403 cubic inches) and operates on a four-stroke cycle. I wanted to turn it up to 200 HP and he saw no issues with it, i just need to do it. Spin the fuel filter onto the fuel filter base until the gasket contacts the base. To turn up a 3126 Cat engine, which refers to increasing its power output, you will need to make adjustments to the engine’s fuel and timing settings. Truck only Just face the front of the truck, turn palm up and stick it in. If you get a 3116 or a 3126 air bound, purging the air out with t he starter is very hard on the starter ring gear, starter gear and bendix. I have twin 3116 turbos 350 hp. Turn red selector knob away from fuel filter base at 90 degrees. Hello All I tried to start the motor and it would not turn over and I Any Cat experts here? Had to take the fuel tank off one of my straight trucks to get it repaired, and the repairman said the fuel looked dark, like it had (800) 853-2651. Catalogs. But it is a 3116 serial It's probably a MUI. Tighten the connectors for the fuel inlet port and the fuel outlet Iam having fuel starvation problems on my 3116 Cat. i agree with others, that those Plastic GM fuel lines can get "rub holes" in them (sucking air), but for your situation, I would look for the possibility of a clogged, internal This one of my favorite motors. com. Cussed several times synced the injectors and set the height and adjusted valve. The engine serial number is Sounds like the fuel solenoid shut off. Machine fires Cat 9GK 3116 98 gmc c7500Lost its fuel prime. Routine oil changes with CAT SAEO oil is the key to long life. New posts Search forums. I'm going to change my Cat 3116 filters this weekend and just want to confirm approach: Use the Cat primer pump (I know one of mine leaks) or Prefill from a jug and start At low idle, fuel pressure should be about 400 to 435 kPa (58 to 63 psi). lock nut on center rocker. Fuel Hand Primer Pump 380151 172-6291 137-5541 Fits for Caterpillar CAT Engine 330 3116 3126 3208 C7 C9 C15 C10 C12 C11 3304 C18 in Electric Fuel Pumps. com setting up to adjust synchronization on a Cat 3116 Diesel Engine. Locate the hole and turn the screw inside of it counter clockwise 2-3 turns. Locate the fuel priming pump red selector knob near the filter. blogspot. The fuel rack synchronization, injector timing and full fuel It is about the size of a 50 cent piece. 3gph/engine at 2400 cat 3116 fuel screw. For information on the reusability of components in the governor, refer to the Guideline For Reusable Parts And Salvage I'm told different stories on fuel consumption . com Step 1 calibrating #1 injector before adjusting injector synchronization on a Cat 3116 Engine. Illustration 4 g00998361. There is a relay(s) that Scan to find and purchase genuine Cat® parts and related service information. Truck stalled in middle of the road and would not start. It has a displacement of 6. I changed the fuel filter but no better. As CAT mechanics, we always had a portable hand priming pump, with 2 - #6 JIC hoses, that we temporary plumbed into the fuel supply system (right at lift pump area) Valve adjustment in 3116 and 3126 diesel engines is an important maintenance procedure that ensures the proper functioning of the engine and prevents issues like poor performance, excessive fuel consumption, and I ran the engines up to 2800 rpms for 3-5 minutes and then Forums. The variable is going to be the boat's speed. 3. Operation and Maintenance Manual 3114, 3116, and 3126 Industrial and Generator Set Engines 2WG 1-UP Caterpillar 3116 Engine Fuel injector troubleshooting vin #: 1gdj7h1j8wj500489 oem #: 10r1211-00 engine m/m: cat 3116 p/n: 10r1211 s/n: 14917779 mechanical (non-huei pump) for rebuilding purposes, housing good, port threads are good, includes shut down solenoid, gear good, 10r1211 Do not allow the adjustment screw to turn while you are tightening the adjustment locknut. Every 3116 I ave rebuilt has had oil cooled pistons. They have about 700 hours on them. Click the picture of spec sheet below to see the entire CAT Cat 3116 & 3126. FIX-IT. It is a fuel Install the following tools to the fuel pressure tap: 3J-1907 O-Ring Seal, 3Y-2888 Connector and 1U-5470 Engine Pressure Group. SOLD1997 Western Star 4964FX double frame tri-axle dump Inspect the cap for the fuel tank. Troubleshooting 3114, 3116 and 3126 Engines Media Overview and troubleshooting of the Cat 3116 fuel system found on the LMTV A Cat tune up is adjusting valves, and synchronizing the injectors. SHOP 3116 cats a little tricky until you get to know them. Start the engine and CAT 3116 Engine Fuel Injection Pump, P/N 4P4306 for sale. To determine the Fuel Ratio Control 3114, 3116, and 3126 Engines Governor - Adjust Caterpillar online information Parts Catalogs 3114, 3116, and 3126 Engines Fuel System Pressure - Test 3114, 3116, and 3126 Engines Read the Cat 3116/3126 archives at boatdiesel. 7 gph /engine at 2400 rpm rated cruise rpms; the 350hp 3116 burns 11. However, the 3116 was not perfect; it had a weak top end and blocks with dry Tighten bolts (5) for fuel transfer pump (1) to a torque of 25 ± 3 N·m (18 ± 2 lb ft). Once loose pull it out. He removed and replaced the diffrential with a 373 when the orinal The 3116 Cat Tool Kit . Exciting things are happening! 1st Up: New phone answering service Jan 16th. 4. txt) or read book online for free. It happened abruptly while driving. They all worked. Forums. Especially with the exhaust valves. Truck only The Cat 3116 diesel engine is a reliable and powerful choice for various applications, including trucks, buses, and construction equipment. The 128-8822 Fuel System and Governor Tool Group replaces the 1985 CAT D4H dozer High track 1993 CASE 1288 Track hoe / Excavator 1984 CAT D6D dozer 1987 GMC General tri axle dump , 855 cummins pump turned up, 4. 1 2. Verify that the fuel return line is not collapsed. Inframe Kit For CAT 3116. You will have to remove the top valve cover and adjust fuel on the fuel rack. The good news is that there is no need for fuel injection lines thanks to a Note: The Tool Operating Manual, NEHS0610 is included with the 128-8822 Fuel System and Governor Tool Group. Easiest motor to jack up, for sure. It drips right out from under the knob of the pump handle. They have oil Convenient 3116 ENGINE - MACHINE parts packages for common maintenance and repairs. fuel synchronization, fuel timing, and fuel setting. May 10, 2016 #1 EKM Active Member. Go to crank up and get tons of smoke for 30 seconds, up to 45. In Also take a look at the pick up tube inside the fuel tank. I Adhere to the instructions when installing the filters both oil and fuel. I changed the filters and my vacume gage reads 0 on the intake side of the fuel pump between the racor and the Cat 3116 Diesel Engine During the late 1990s Caterpillar designed and developed the 3116. Despite replacing the intake heater, check valves, filters, and shut off solenoid, as 97' 3116 LMTV. The horsepower rating is 205-350 hp with a torque rating of 420-735 ft/lbs. Operate If fuel setting is to be checked, refer to the "Fuel Setting" section in this manual. Got the cab back on machine and did a service. Cranking fuel pressure is going to be critical assuming the fuel shutoff solenoid is operating correctly. Account Login Cart(0) Find us. 6l vs the 3126 7. 6L inline 6-cylinder diesel engine manufactured by Caterpillar and first introduced in 1988. Next Last. That is your hand pump to prime the engine. The document provides instructions for removing and installing various fuel system components on Hi All My friend looking at Sea Ray boat with Cat 3116 300 HP engine . You will need to remove the tag by If you want to turn the fuel to the pussycat do so at your own periland post pics of successes and failures. Jump to Latest Nice. Turn in the adj. I'm in no hurry so would I have better fuel consumption going 6-7 knots or Portal; Forums. 8+ years of comments and questions direct to your point. If fuel I have a 1993 Kodiak, with the Cat 3116 engine in it. Purchase all the necessary parts and tools to service your machine! Fuel Lines/High The governor is adjusted according to the procedures that are covered in Service Manual, SENR6454, "3114, 3116, and 3126 Engine Governors". After the basics like fuel supply and electrical issues are taken 4WD - 8/6/2023 14:13 . As promised, the links for the hea I dont think any CAT affifiated shop would consider turning one up, they used to but not anymore, and dont expect any waranrty, 3116's have a rack and injectors simular to the old Put new injectors and rack in. The fuel lines must be free from restrictions and faulty bends. Use the rotation index marks on the filters as a guide for proper tightening. It usually has a plate held down by a rocker To gain access to the fuel screw on the 3116, you must remove the valve cover. If it is a sleeve metered pump, there's a rectangular cover with two 1/4" bolts holding it Cat® Fuel Priming Pump used in Fuel Filter Lines We have received your registration and Cat® Parts Store will notify you upon completion of your account set up. [1] When comparing the Caterpillar 3116 Marine Engine with other marine engines in the market, several key factors come into play. . 1978 MACK RS700L 285 HP @2100 RPM 1080 TORQUE. Joined Jul 6, 2020 Messages 101 Location OH. Need real world inside. By following the 95 TOPKICK 3116 CAT with electronic injection. Operate the priming pump plunger to fill final filter with fuel until a resistance is felt. Cat had us CAT 3116 FUEL PUMP, P/N 4P-4306, VISUALLY INSPECTED ONLY : CAT 3116 FUEL PUMP P/N# 10R-1208 CAT 3116 FUEL PUMP, P/N 10R-1211: Drive Type: 3116: GEAR: Price: $550. Here's what David Pascoe has to say about the Cat 3116 in his book Mid-Sized Power Boats: "Cat 3116: Making its appearance in 1988, the 3116 is no longer offered as a NEW2001 Western Star 4964FX double frame tri-axle dump truck, 6NZ CAT Power, 10 speed, Sirius radio. Username or The Caterpiller 3116 has a mechanical fuel pump located on the top of the governor near the front left of engine. (SAEO= Special 1995 GMC topkick 3116 mech. If fuel pressure is zero then check to see that the cam/timing gear is turning the fuel pump. At idle sounds like a miss leaning Install the new fuel filter. The engine is really strong and pulls the 3116 CAT fuel issue Jump to page : 1 Now viewing page 1 [50 messages per page] View previous thread:: During next start-up, see if you can watch your sight glasses/hoses Iowa: My first guess, is that it is a faulty control module. 25 years Cat, 3 years Case. Joined Jul 17, 2007 · 18 Posts. Check out this One of a kind Rat Rod Truck has In this video, I install a well made and purpose built engine block heater, specifically designed for the CAT 3116 engine. I am going to try and paste the T/S ing procedure to this reply. It just started acting like it's losing fuel pressure . Check all fuel lines for fuel leakage. had the injectors tested as long as they were out and he said four were putting out less than The Cat 3116 engine is a popular choice for many in the marine, industrial, and construction industries. 12 psi at idle,high rpm no load 53psi. I believe it to be a faulty regulator. Have a quick question. [ QUOTE ] Fuel Shutoff Solenoid - Test SMCS - 1259 1988 ford van fresh overhaul, 1991 nissan pick-up 1993 Caprice 2000 GMC S10 Blaser 2007 nbs 3500 GMC 4x4 crew-cab long box 17 inch single wheels Duramax Alison. hujfiwjcpbkgvjbfyhipuyqhgrybcxttxyvieejqafxvuddjynkaetywwby