# 3857650). What thermostat is for a 1994 sea ray mercruise t 3. Judging by the amount of time it takes to pump up the bowls it does act as if the fuel is draining back to the tank. They have an internal pressure-regulating valve, and feature free-flow fuel delivery. Get Yours Today! We know our parts and products. mercruiser 3. ), if there are no other restrictions in the system, using a fuel hose that is 7. The fuel pump relay is usually controlled by the ignition or Powertrain Control Module, and when switched on, will provide current to the fuel pump so that it may function. The fuel pump's job is pretty self-explanatory: to pump fuel from the gas tank to the engine. Mercury Fuel Pumps Our goal is to help you obtain the correct parts on the first call. 2) & 496 (8. 7 and SOME older 8. Went to mechanic - electric fuel pump works during crank, but did not run when engine was running. *New* (1) One Aftermarket NP products Marine Electric fuel pump for MerCruiser CARBURETOR Engines. When that happens, just give Wholesale Marine a call. 7L 350 cid Small Block V8s, 1992 - 1997. Also is used as a low pressure. Your Edelbrock carburetor is designed for a maximum of 6. Sure enough, 1 month later, the ticking started AGAIN! I took the fuel pump out, and the arm was showing lots of wear again. Idle high 2003 mercruiser 7. MerCruiser 2-4-C Marine Lubricant with PTFE and Cartridge Gun. o wiring diagram for 1998 mercrusier 4. Fuel Pumps - Since 1998, iboats is the most trusted water lifestyle online store for boat parts and accessories, boats for sale, and forums. They have an internal pressure-regulating valve, and feature free-flow fuel delivery. Sometimes there is no room to have a mechanical fuel pump in the engine compartment. The in-tank pump sends the fuel under low pressure to the pump located on the frame rail. 1995-1997 MerCruiser Bravo Two The MerCruiser manual by Clymer is the best owners reference book for repair and service information for your MerCruiser stern drive boat. Compare and save at FindersCheapers. 6 L 100 Vazer 2007-current 1Axxxxxx Current MPI ECM 555 9 3. Carter universal marine electric fuel pumps operate using leaded and unleaded gasoline, gasohol, and fuel boosters. com: Fuel Pump Electric Mechanical Inline Quiet Flo Universal. Since 1968, West Marine has grown to over 250 local stores, with knowledgeable Associates happy to assist. If you did not find the boat parts you were looking for or if you have any questions, please call us at 800-364-4637. When things go haywire, it's pretty simple to detect a malfunctioning fuel pump. Only US$104. 7 (carb) with electric fuel pump. I had this happen with my own engine 2 years after installing a new fuel pump and also with a customer's boat immediately after installing a new fuel pump. Rugged construction, including stainless-steel exhaust, ensures long-term, hassle-free operation. To solve it I removed the mechanical fuel pumps from both engines and installed a 3-5 psi electric pump in place of them. Fuel pumps come in various shapes and sizes and of various types. I pump the throttle control to start which puts gas into the carb. It will explain how to use CDS data to determine what the FSM system is doing and how to use that data to diagnose an FSM related problem. Amateurs may be tempted to blame the fuel pump for problems with drivability and hard starting, but the pros know that the gasoline itself may be at fault. 1S 1155 9-35432 18-8868. After it sits for awhile and cools down it will work normally without problems until you shut it down. I have a mercruiser 5. Electric fuel pumps are usually located inside fuel tanks, although they may be mounted outside them. I replaced the pump 3 years ago shortly after buying the boat. 3 L Mercruiser engine (Alpha). Because you have a short to ground, causing high current draw. I told him to isolate the engine from the boat's fuel system with a portable fuel tank and a fuel grade clear hose. Even though this electric motor is submerged in fuel. This is typically done by measuring fuel pressure with a mechanical gauge. 0L MPI 350 Mag MPI MX 6. I replaced the pump 3 years ago shortly after buying the boat. *New* (1) One Aftermarket NP products Marine Electric fuel pump for MerCruiser CARBURETOR Engines. This engine can be used for pre-1987 applications but a modification must be made for the electric fuel pump. An electric fuel pump produces high fuel pressure to supply your electronic fuel injection system with plenty of pressurized fuel. Mercruiser 861155A3 Electric Fuel Pump 4. Electric vs Mechanical Fuel Pump starting problems + high idle mercruiser 3. Mercruiser Fuel Pump. Because you have a short to ground, causing high current draw. Add to Cart Sierra Fuel Sender, Sierra Part. 21608511 - 21545138 - $850. Manufactured in a TS 16949 certified facility in the USA, trust Carter Marine. FREE Shipping by Amazon. Carburetor Problems and Solutions. With the common problem of the Mercury oil system having the plastic drive gear failure, you have correctly identified the two most reasonable options: go to pre-mix or refit with an after-market electric oil mixing pump. Everything you need to do the job is contained in this article. We think that mercruiser electric fuel pump wiring diagram give fresh ideas or references for viewers. from the front of the car in between the distributer and the coil there are two hoses going into the fuel pump it is a manual fuel pump. This bulletin is to help technicians better diagnose fuel problems on engines that utilize an FSM. How an Electric Water Pump Works. Most mechanical fuel pumps have a weep hole on the bottom of the unit. Troubleshooting tips: Mercruiser fuel pump wiring diagram, Mercruiser fuel pump replacement, Mercruiser fuel pump problems, Mercruiser fuel pump rebuild kit, Mercruiser fuel pump relay, Mercruiser electric fuel pump, 5. Electric fuel pump 9-35440 Mallory. 5 psi, so check your fuel pressure and adjust the regulator, if applicable. Also is used as a low pressure. 7L V8 engines. Edelbrock carburetors are not intended for use with alcohol or E85 fuel. Will a 350 engine fit a 454 mercruiser bell housing? This rig has a mechanical fuel pump on the engine and a electric (pusher) fuel pump inside the tank. Some merchandise may be limited in supply or available only by special order. Electric vs Mechanical Fuel Pump starting problems + high idle mercruiser 3. Strange fuel delivery problem 2002 Mercruiser 5. Mercruiser fuel pump diagrams, rebuild kits, and repair manuals. The Corvette ZR1 runs fuel pressure in the 30s until an increased demand is on the system, at which point it will ramp the fuel pressure up to 88psi in the rail. Everything you need to do the job is contained in this article. No to the electric. If I jump the fuel pump with 12V it will run. This tube leads to the carburetor. Electrical Fuel Pumps A fuel pump is a basic essential component that is a part of every vehicle. Sea Ray 290 Sundancer Sports Cruiser With A Single Engine !. I agree with Spannerman the electric pumps don't like priming the system, a friend of mine put a fuel bulb in the circuit so if it did run dry then all he had to do was squeeze the bulb a few. It has a new electric fuel pump mounted remote outside of the tank. MOSTPLUS New Electric Fuel Pump For MerCruiser EFI MPI V8 305 350 454 502 861156A1 PH500-M014. 3 lx/lxh alpha and bravo gen + 4. Fit For the Following. Mercruiser Fuel System boat parts, find direct replacement carburators, fuel pumps, filters and other Mercruiser boat parts at Go2marine. Comes With Tight Seal Washers / And Electrical Connector Plug. Often the fuel pump is in the gas tank. 52, buy best sss 4092/2140kv brushless motor 4 poles w/o water cooling for rc boats electric sale online store at wholesale price. The 2006 Challenger would be Rotax correct? Parts and places that will service them are more abundant. Fuel Pump for Inline 4, and 6 Cylinder, also Mercruiser 3. People that keep fuel in there tanks have a lot less fuel pump problems. Now I know that the fuel pump was working because I used to. This bulletin is to help technicians better diagnose fuel problems on engines that utilize an FSM. When that happens, just give Wholesale Marine a call. Electric fuel pumps - can they lose prime? Recently both the low-pressure in-tank & high-pressure frame mounted electric fuel pumps on my '84 5. Following are samples of Indmar parts that available. You might be a specialist who wants to try to find recommendations or solve existing problems. Mercury Diesel engines offer a sophisticated diesel-engine experience: Advanced turbocharging and injection technologies produce a powerband that’s carefully calibrated for marine performance and outstanding economy. Fuel injected engines are VERY fussy about fuel supply and fuel pressure. Find great deals on eBay for mercruiser fuel pumps. OMC parts for 400/800 series. The fuel lift pump is designed to lift fuel vertically about 152. Re: mercruiser 5. This pump can not be used in EFI fuel cooler applications. Our fuel injector cleaning service is available to the automotive, motorcycle, marine and other related industries at a fraction of the cost of new or even refurbished fuel injectors. If no fuel, or only a dribble, emerges, either there is a blockage or leak somewhere in the fuel line (See Checking fuel pipes) or the fuel pump is not working. Edelbrock carburetors are not intended for use with alcohol or E85 fuel. 12 volt fuel shut off valves are your solution to many fuel transfer related problems. 00) Electric fuel pump fits mercruiser 4. There are two pumps in that fuel cell the low pressure and the high pressure if you have no pressure its out of fuel could be a bad low pressure pump and wont pick up any fuel if you prime the system it should run but it. I had this happen with my own engine 2 years after installing a new fuel pump and also with a customer's boat immediately after installing a new fuel pump. 438603 : Fuel Pump Electric Marine Power / Indmar/ PCM. Many new engines simply do not have the provisions to use a mechanical fuel pump. The life cycle specs and durability are why I bought it. Boat fuel pumps carry fuel from the gas tank directly to individual engine cylinders. When the internal diaphragm leaks, fuel escapes through the weep hole to notify the vehicle owner of a malfunction. OEM Part Number. Select MerCruiser Test Model HP Fuel consumption WOT; MerCruiser 3. i think that the essayist fix is to buy an electric fuel. 2L CARBURATED ENGINES. 0 Alpha Lpass2020. Delphi Fuel Pump Designed to meet or exceed OEM quality, the Delphi fuel pump is guaranteed to match the intake system of a Mercedes. Fuel Pumps. STARTER MOTOR 50- 97499R 3 Remanufactured Sterndrive / Inboard Marine Electric Starter Motor. But a $30 fuel pressure gage is cheaper to try first vs buying a $300 pump. Please get the numbers which are stamped into the side of your old pump and compare to the chart below to order a replacement. com: Fuel Pump Electric Mechanical Inline Quiet Flo Universal. The problem is that the checkball inside the valve gets worn and tends to jam thus restricting the flow of fuel. 0 EFI Mercrusier with 400 hours on it. Mercruiser Electric fuel pump Sierra replaces 861156a02 and a01. 3lxh gen + 4 bbl. NEW MERCRUISER EFI MPI Electric Fuel Pump V8 305 350 454 502 861156A1 PH500-M014 - $226. Add to Cart. Problem Pump and Regulator setups: These are combinations that many of you are using and you could be experiencing problems because of it. Electric vs Mechanical Fuel Pump starting problems + high idle mercruiser 3. - Engine is 2004 5. Motor has never given me any problems until this weekend. Many carbureted cars use mechanical pumps. Since 1968, West Marine has grown to over 250 local stores, with knowledgeable Associates happy to assist. A typical automotive fuel pump for a carburetor produces 5-7 pounds of pressure. 75 (5% Off) Free Shipping. I wrote an email ([email protected] MERCRUISER LOWER UNIT SCHEMATIC. The pump puts out too much pressure so you have to buy a regulator for it. Hot wired electric fuel pump and it ran fine. MERCRUISER® FUEL SYSTEM CARBURETORS CARBURETOR For older MerCarb 2 bbl. An Electric fuel pump (for carburetion) should produce the same pressure (5-7 psi) as the earlier mechanical fuel pumps would have! The electric pump operation depends on a N/O Low Oil Pressure Switch being closed. The most likely cause would be a failed pump. If your vehicle has been changed to 12 volts from 6 volts, you must not hook up the fuel gauge directly to 12 volt power. Popular Sea Ray 290 Cruiser with a replacement MPI Mercruiser. This is incase you loose oil pressure the motor will shut down/run out of fuel. Looking for info concerning Mercruiser Electric Fuel Pump Wiring Diagram? you are right here. The fuel pumps definitely go. A simple fuel pump lift test, as described in the appropriate service manual section, can be used to determine if the pump is functioning to specification. Mercruiser Fuel System boat parts, find direct replacement carburators, fuel pumps, filters and other Mercruiser boat parts at Go2marine. from the front of the car in between the distributer and the coil there are two hoses going into the fuel pump it is a manual fuel pump. The 2006 Challenger would be Rotax correct? Parts and places that will service them are more abundant. It's important to familiarize yourself with the warning signs of a faulty fuel pump—that way you can address any problems before it's too late. Went to mechanic - electric fuel pump works during crank, but did not run when engine was running. You will need to visually identify your connector and compare it to the detailed pictured below in our online shipping cart. Fuel Pumps - Since 1998, iboats is the most trusted water lifestyle online store for boat parts and accessories, boats for sale, and forums. So you may not be able to tackle every fuel system issue on your car without some experience in car repair. Listen for the electric fuel pump in the fuel tank to make a buzzing noise when the ignition is turned on (you may have to open the gas cap to. All Mercruiser fuel pumps since the 1970's (or so) has a semi clear yellow tube on the top of the pump. Over time, your Mercruiser fuel pum p may wear out and require replacement. The fuel pump's job is pretty self-explanatory: to pump fuel from the gas tank to the engine. Problem Pump and Regulator setups: These are combinations that many of you are using and you could be experiencing problems because of it. If the problem isn't in the fuel pump, that leaves the question unanswered, but one possible answer lies at the fuel tank; check the fuel tank vent first. NEW MERCRUISER EFI MPI Electric Fuel Pump V8 305 350 454 502 861156A1 PH500-M014 - $226. If by any chance, your fuel line between the electric pump & your engine pump springs even a pin hole leak, your going to have a mess on your hands, as fuel being pulled by the engine pump isn't under pressure [ between the tank & engine fuel pump ] & might drip a drop or so if a small leak happens, but on the other hand, the electric pump is. Fuel Pumps - Since 1998, iboats is the most trusted water lifestyle online store for boat parts and accessories, boats for sale, and forums. i think that the essayist fix is to buy an electric fuel. Holley Red Fuel Pump - Before or After Mercruiser Fuel/Water Filter I have positioned the pump after the filter element of Mercruiser. Re: problem with Mercruiser 5. I didn't show any voltage at the fuel pump wiring plug with my multi. The priming of the carbs tells me I have a fuel delivery problem. fuel pump and fuel filter for mercruiser 4. Mercury's Engine Guardian continually monitors critical sensors for any sign of a problem and immediately takes action, while the water-cooled Cool Fuel delivery system on the 8. There is a lot of confusion and misunderstandings about them. Fuel Related Parts-Fuel Additives -Fuel Coolers, Sen-Dure Fuel Filters-Fram Fuel Flow Meters Fuel Injection Parts, Crusader Fuel Monitoring-Faria -Floscan E-Mail Fuel Line / Hose, MPI Fuel Lines, Crusader Fuel Primer, Diesel Fuel Pumps, Electric-Carter -Crusader -Marine Power-Walbro Fuel Pumps, Mechanical-Carter by Application-Crusader. THINK IT’S DEALER ONLY?. Find Carter Marine Electric Fuel Pumps P61122 and get Free Shipping on Orders Over $99 at Summit Racing! Carter marine electric fuel pumps are your solution to dependable fuel delivery for your marine applications! Designed with OE fit and form, these pumps keep your fuel system running as smoothly and efficiently as possible. Knowing that electric fuel pumps push better than pull, and wanting to clean up the look under the hood, I bought a Carter P60430 12-volt electric fuel pump and mounted it near the gas tank. 7L This is a Carter Style Marine Fuel pump which fits GM 4 cylinder 120 and 140 HP and inline 6 160 and 165 HP and Mercruiser 3. I replaced the pump 3 years ago shortly after buying the boat. 3l Fuel Sae 3114c Pump Electric. Electric fuel pumps can easily go bad from just sitting. I wrote an email ([email protected] Electric choke? Try retrofitting a manual choke. com offers 38,064 electric fuel pump products. 7 l 350 mpi 2003 mercruiser low pressure fuel pum when the electric pump was going bad in my car it worked at times then would just stop working until it got to. MerCruiser uses many different model electric fuel pumps. 0B775249 & Up 4-Cylinder; HFP-702 Fuel Pump Replacement for Mercruiser (No-Thread Outlet) Replaces 861156A1, Airtex E11004. FREE Shipping by Amazon. Well, after chasing a fuel problem around for the better part of two weeks, I finally discovered an issue that Mercruiser has known about since 2004 but is in no hurry to discuss. Order Marine - Fuel Pumps for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. I bought this pump at the local auto supply store because it was in stock (cost $69. Our same day availability ranges from manifolds to mounts, carburetors, water pumps,impellers, oil pans, ignition parts, transmissions and just about everything on a PCM engine at competitive pricing. Mercruiser Inboard Fuel System boat parts, find direct replacement carburators, fuel pumps, filters and other Mercruiser boat parts at Go2marine. 291775360880. Following are samples of Indmar parts that available. Mercury Diesel. Fits: MerCruiser aluminum block 470, 485, and 488 engines. 0B775249 & Up 4-Cylinder; HFP-702 Fuel Pump Replacement for Mercruiser (No-Thread Outlet) Replaces 861156A1, Airtex E11004. The ROP Shop New Electric Fuel Pump KIT fits Mercruiser 1994-1997 Bravo 454 & 502 MPI Engine. Their time proven rotor/vane design is known to get the job done in an affordable package. 3L 262 cid V6, 5. 4 liter marine engines at discounted prices. I went to change the lube in the pump housing and what I drained smelled like gas. Find many great new & used options and get the best deals for Mercruiser 454 502 FUEL PUMP MERCURY MARINE 7. Some anti-syphon valves are mounted to the fuel filter assembly on the outlet side. (this is a USCG regulation) In other words, engine oil pressure much reach/exceed X psi in order to close the circuit for fuel pump. Prestolite design, 9‑tooth pinion. Universal marine pumps have no points to burn out, and no shaft seals to leak or deteriorate. The fact that it didn't smell flooded after many attempts leads me to suspect the pump. The purpose of the anti-syphon valve is to prevent fuel from syphoning into the boats bilge in the event of a break in the fuel line. The fuel injection pump tester comes with flex hoses, fittings and instructions for quick reference. A second brand new filter did the same thing. There’s a reason that Airtex-ASC is the only aftermarket fuel and water pump manufacturer that is an OE supplier. This kit covers all MPI, EFI and TBI models equipped with the Gen II Cool Fuel system. com is a wholly owned subsidiary of Lighthouse Marine Distributors, Inc 2018. Fits: GM V6 / V8 engines with cool fuel. 861155A3 Boat Electric Fuel Pump for Mercury Mercruiser 4. why does my mercruiser 4. I removed the frame pump, bypassed where it mounted with the stock lines by moving the filter over a bit using the stock lines / fittings. Pumps external electric with high & low fuel cell pumps , While back on my Volvo Penta gas 4. Most mechanical fuel pumps have a weep hole on the bottom of the unit. You will need to visually identify your connector and compare it to the detailed pictured below in our online shipping cart. had a problem at the river couple weeks ago boat overheated and then also seemed to run out of gas. Then I realized the same color wire feeds the electric fuel pump. I wrote an email ([email protected] 7 861155A3 v6 v8 CARB. If I remember correctly there is also a filter on the fuel pump itself. CARTER M60337 Fuel Pump. Fuel Pump for Inline 4, and 6 Cylinder, also Mercruiser 3. if you look inside the throat you'll see the hole where the fuel from the fuelpump is dumped into the carb [if the fuel pump diaphram should fail ]use a clear hose so you can see if fuel starts to weep. 5 GPH: MerCruiser 4. Was able to restart a couple of times and then nothing. This pump can not be used in EFI fuel cooler applications. New Marine Electric fuel pump set used on many MerCruiser fuel injected engines that use a low pressure and high pressure fuel pump. I have a 2001 5. Review (mpn:861155a for sale) 861155a Mercruiser Electric Assembly Bracket Pump 861319 6 Fuel. Brand new, genuine Mercruiser fuel pump & cooler kit. Fuel injector cleaning service and flow testing at Injector RX is reliable, cost effective with guaranteed results. Mercury's Engine Guardian continually monitors critical sensors for any sign of a problem and immediately takes action, while the water-cooled Cool Fuel delivery system on the 8. ) minimum diameter. 7L EFI engine, fuel pump air block? I have come accross a simular problem with the v6 Mercruiser and perhaps it is caused in the same way. Many carbureted cars use mechanical pumps. I agree with Spannerman the electric pumps don't like priming the system, a friend of mine put a fuel bulb in the circuit so if it did run dry then all he had to do was squeeze the bulb a few. The fuel injection pump tester comes with flex hoses, fittings and instructions for quick reference. 00) Electric fuel pump fits mercruiser 4. 0 v8 carb hard to start Marc, is the fuel pump actually delivering fuel? I had a problem with the Merc unit in my first boat - the (electric) fuel pump wouldn't work, we eventually traced the fault to a dodgy connection to an oil pressure sender located low down in the engine. OEM: 861155A3 , 861155A2. Some anti-syphon valves are mounted to the fuel filter assembly on the outlet side. The fuel must travel through a hose, also called the fuel line, and it is the job of the fuel pump to make sure the gas reaches the. How Fuel Injection Works; Fuel Consumption Tests; Stock vs. Buy online now. Mercruiser Electric Fuel Pump for 5. *New* (1) One Aftermarket NP products Marine Electric fuel pump for MerCruiser CARBURETOR Engines. In the old days, changing a fuel pump on 1953-1981 Corvettes was a pain in the neck. Everything you need to do the job is contained in this article. (this is a USCG regulation) In other words, engine oil pressure much reach/exceed X psi in order to close the circuit for fuel pump. I hate after market electric fuel pumps, and ya just don't need the flow for that 3L. Will a 350 engine fit a 454 mercruiser bell housing? This rig has a mechanical fuel pump on the engine and a electric (pusher) fuel pump inside the tank. Because you have a short to ground, causing high current draw. it's setting in front of me in the box. It has a new electric fuel pump mounted remote outside of the tank. Reconnect the line. Amateurs may be tempted to blame the fuel pump for problems with drivability and hard starting, but the pros know that the gasoline itself may be at fault. Mercruiser 861155A3 Electric Fuel Pump 4. The temperature of the car can also telegraph an emergency with the fuel pump. Hard to start, but will repeat process. 4 liter marine engines at discounted prices. This chart is intended to be a helpful guide when troubleshooting your carburetor. The Cummins Marine Diesel Assembly Line. Mercury's Engine Guardian continually monitors critical sensors for any sign of a problem and immediately takes action, while the water-cooled Cool Fuel delivery system on the 8. 3 lx/lxh alpha and bravo gen + 4. Electric Fuel Pump for Mercury Mercruiser Boat 4. Comes With Tight Seal Washers / And Electrical Connector Plug. - I treat the fuel religiously with Lucas Ethanol treatment and I typically run Chevron regular unleaded gas. Mercruiser fuel pump diagrams, rebuild kits, and repair manuals. 1775 N Lapeer RD. Sea Ray 290 Sundancer Sports Cruiser With A Single Engine !. There was no sound coming from the fuel pump (was not priming). If your vehicle has been changed to 12 volts from 6 volts, you must not hook up the fuel gauge directly to 12 volt power. For this reason, it's important to replace the removable filter element regularly. 3 has an electric fuel pump, do you have more than the on engine fuel filter in the system? That's a no-no according to the installation instructions for the engine as Merc says it is hard on the electric fuel pumps. put it up and didnt winterize fuel and ran bad fuel through it and have had problems since i got it out. I think it is the fuel pump as I changed out the water separator already with no luck. Hard to start, but will repeat process. Starting Problem Mercruiser 5. This Fuel Pump/Cooler Kit fits: GM V-6 & V-8 (305, 350, 454 & 502 c. Brand new, genuine Mercruiser fuel pump & cooler kit. Knowing that electric fuel pumps push better than pull, and wanting to clean up the look under the hood, I bought a Carter P60430 12-volt electric fuel pump and mounted it near the gas tank. Cheap Mercruiser Fuel Pump prices. Rugged construction, including stainless-steel exhaust, ensures long-term, hassle-free operation. Re: mercruiser 5. So it's a no-brainer that a malfunctioning fuel pump is bad news. Contact us to discuss our returns policy. Electric fuel pump would not start, pulled leads and had 4V. 7L V8 engines. Mercury, Yamaha, Evinrude, Johnson. Sierra® Mercruiser / Volvo Electric Fuel Pump, 18-7326. Replace your fuel filter every season or sooner if needed. I have a 1999 mercruiser 454 mpi engine with and electric fuel pump starting problem. If fuel spurts out, there is a carburettor fault (See Checking and cleaning an SU carburettor). Items 13 to 24 of 43 total New Electric Fuel Pump Mercury / Mercruiser Boat 4. Because the fuel pump is the component responsible for supplying the engine with the fuel required for it to run, any issues with it can cause major drivability and performance problems. Fuel Pump, Electric, 200 gph, 80 psi. Whether it's in a manufacturing facility or our headquarters in Ohio, before we box it, we test it. Replaces Sierra 18-8868. An ACDelco GM Original Equipment Mechanical Fuel Pump is a GM-recommended replacement for your vehicle’s original components, and is a diaphragm positive displacement pump. If you still found any problem, you. With the common problem of the Mercury oil system having the plastic drive gear failure, you have correctly identified the two most reasonable options: go to pre-mix or refit with an after-market electric oil mixing pump. 7 861155A3 V6 V8 carb at Amazon. Each time, no problem was found (two different rebuilders, one does strictly carbs including marine, nothing else, they know their stuff, I have used them). could be any number of things but my 5. why does my mercruiser 4. Find many great new & used options and get the best deals for Mercruiser 454 502 FUEL PUMP MERCURY MARINE 7. A simple fuel pump lift test, as described in the appropriate service manual section, can be used to determine if the pump is functioning to specification. Yes, as @shanoia says above, if the car sitting in the hot sun for several hous is related to the no-start condition, the fuel pump relay would be my first suspect. The fuel injection pump tester comes with flex hoses, fittings and instructions for quick reference. It is hanging very low on the boat, at the same position where the mechanical pump was. 3% similar) These parts are out off of Mercruiser 3l alpha mpi flywheel housing assembly P/N c1. If your vehicle has been changed to 12 volts from 6 volts, you must not hook up the fuel gauge directly to 12 volt power. For 50 years Sierra has been producing parts engineered to meet or exceed the specifications of marine engine manufacturers and has gained the confidence of engine manufacturers and boat builders to a point of supplying them with OEM parts. The fuel pump will not turn on ontil the pressure switch sees ~ 10-15 psi. Went to mechanic - electric fuel pump works during crank, but did not run when engine was running. 3L and V8 305 5. A faulty pump can cause a decrease in fuel pressure, which leads to a significant loss in performance and fuel economy. Many new engines simply do not have the provisions to use a mechanical fuel pump. FRESH KITS for Mechanical Fuel Pumps (bolted to the motor & operated by an eccentric on the camshaft. REPLACEMENT FUEL PUMP 866169T01 MerCruiser Mercury high hi pressure electric 5. 4l no spark engine floods at idle RPM instructions for 1994 mercury 115hp fuel pump problems starting 8. after taking the gas cap off and pushing the fuel rail valve. This pump has -8 inlet and a -8 outlet. Buy MerCruiser EFI MPI Electric Fuel Pump 305 350 377 454 502 V8 861156A1 New at Walmart. the black nitrophyl can be a problem, so be sure it gets replaced. I agree with Spannerman the electric pumps don't like priming the system, a friend of mine put a fuel bulb in the circuit so if it did run dry then all he had to do was squeeze the bulb a few. This is a factory original equipment part, not aftermarket.