Mercruiser Fuel Pump Problems

when I open battery compartment/bilge area while engine was running, I hear tick tick ticking like. It will fit inline 2. Following are samples of Indmar parts that available. Fuel Filter Mercruiser; Gasket Mercruiser; Impeller. you know you have a fuel problem between the tank to the. Mercruiser uses a metal tube between the pump and carb for fuel and a cheap plastic hose for fumes and leakage. ShowMeTheParts is changing how the world finds replacement parts for their vehicles. All Scorpion 350 and 377 models equipped with Gen III cool fuel 1A091623 and below All Tow Sports 8. I think it is the fuel pump as I changed out the water separator already with no luck. 2 ways of testing the Fuel Pump. JACustomer: 2001 SeaRay, Sundancer 260, Mercruiser 5. I'd love someone to tell me why Mercruiser changed from the mechanical fuel pump to the electric fuel pump. Most mechanical fuel pumps have a weep hole on the bottom of the unit. After rebuilding gunk from the gas tank and fuel lines can rush into the carburetor getting into the needle & seat – remove the top and flush the needle out with silicon spray lubricant. Re: problem with Mercruiser 5. 0 has the gen 3 cool fuel module which also has another fuel filter. An old fuel filter can slow you down. The electric fuel pump installed for a fuel injection system will draw considerable more volume of fuel from your tank than your old system did. When the internal diaphragm leaks, fuel escapes through the weep hole to notify the vehicle owner of a malfunction. 3 TKS - 262 cid. 3 L Mercruiser engine (Alpha). Attach a pressure gauge to pressure side of the fuel line. 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. Mercury MerCruiser 8. 3L V6 Mercruiser Engine Problems Showing 1-12 of 12 messages. Most vehicles have a port to attach a fuel pressure gauge to the line for testing. 135 hp: 10. By clicking close you agree to use the site as is. Could this be the problem? I changed the oil filter and it acts the same regardless. If you are not sure of what you doing get a professional to do it for you. 4 MPI motor problem. Mercruiser Electric Fuel Pump for 5. A downloadable MerCruiser repair manual is a digitally delivered handbook that provides step-by-step maintenance, troubleshooting and repair procedures. 0L (305), or 5. So you may not be able to tackle every fuel system issue on your car without some experience in car repair. 3L [ALPHA I] 443B0002S. 63 mpg for the 350 MAG engine on average. We've gathered the best Mercruiser Fuel Pump discounts & best prices from top websites. How to re-wire a fuel pump off a relay. you know you have a fuel problem between the tank to the. Fuel pumps come in various shapes and sizes and of various types. Currently it will not start when the ignition switch is turned on. This is where the fuel is being sucked and air can be sucked in anywhere that isn’t tightly sealed off. I think I can hear the fuel pump making noise inside the tank. Controls Mercruiser; Electrical Parts Mercruiser. Having said that, BLP sells more adjustable, internal by-pass fuel pumps than we do the return line style fuel pumps. The 1st thing that comes to mind is this. So you may not be able to tackle every fuel system issue on your car without some experience in car repair. Replaces Mercruiser 42725A3, OMC 509407, Mallory 9-35422, flange ID 60337, M60337. The temperature of the car can also telegraph an emergency with the fuel pump. This one has the fuel pump mounted on it. The filter was too restrictive for the pump to move fuel through. Still, you can take on some common pump problems using one or two inexpensive, special diagnostic tools: a fuel pressure gauge and hand-held. Water in the water-sep-arating fuel filter reached. Safety First: When working on fuel systems always keep suitable fire extinguishing equipment on hand. The result is fuel economy that stretches your boat's range and your dollar. The bushings are replaced only if you have excessive free play in the throttle shaft. The pumps pump for a long time before shutting off. 0l r/mr/alpha. I think it is the fuel pump as I changed out the water separator already with no luck. Cross Ship - Leaves in 3-5 days. One of the early warning signs of a bad fuel pump is the development of a high pitched sound when the engine is first engaged. 00 This year - Starts and stalls put fuel additive top it up with gas in and replace separation filter starts up and runs for the day. If fuel spurts out, there is a carburettor fault (See Checking and cleaning an SU carburettor). 95 - Mercruiser Fuel Pump and Cooler Kit Replaces Mercruiser 807949A1 and 861156A1 Consists of Fuel Pump and Fuel Cooler. The kit is more expensive than probably the other remedies, but well worth it in my opinion. After the fuel pump, the fuel is under pressure and will seep out any unsealed areas as a fuel leak. This Site is best viewed in IE7 or newer and Firefox 3 or newer. If fuel flows in good volume, check the fuel pump pressure to be sure. Mercedes-Benz engines need constant fuel pressure to run correctly. CASE 1: If the engine started and ran for a few seconds: This means that the reason your pick up (or SUV) is not starting is due to a lack of fuel. Swapping your mecanical fuel pump for electric. When I got to the dock, I removed and cleaned the fuel filters in the carb and fuel pump. 95 - Mercruiser Fuel Pump and Cooler Kit Replaces Mercruiser 807949A1 and 861156A1 Consists of Fuel Pump and Fuel Cooler. 1St time drained tank had carb rebuilt worked for the season (last year) $700. This is a 2000 Bayliner Trophy with the GMC 4. I have a 45' wellcraft excalibur fited with 2007 mercruiser 496 ho efi's, the starboard engine is running at a fuel pressure of 80+psi, have checked the pressure regulator that is working fine, checked the vacuum and it is the same on both engines, can anyone suggest what else to try before replacing the fuel pump. After rebuilding gunk from the gas tank and fuel lines can rush into the carburetor getting into the needle & seat - remove the top and flush the needle out with silicon spray lubricant. The problem is that the checkball inside the valve gets worn and tends to jam thus restricting the flow of fuel. 0 liter in-line 4-cylinder engines, and also later model Mercruiser 3. Mercruiser is the inboard marine engine division of Mercury Marine. The fuel pump delivers a constant flow of gasoline to the fuel rail at a regulated pressure and volume. With today’s advanced vehicles, replacing your fuel pump can be hard work – ACDelco Fuel Pumps help make sure you don’t have to do the job twice. 1 LTR Volvo Engines Be SURE of the part number before you order!. View online or download Mercruiser Sterndrive 5. It sounds like your pump may be faulty- Yo can purchase a cheap fuel pressure gauge at checker or autozone. A bad fuel pump can also prevent fuel from reaching the carb. 8% of emulsified water from your gasoline. 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. But little pressure is needed to keep a carburetor supplied with fuel. Most modern vehicles use electric fuel pumps, but anyone who works on older models and classic cars must be familiar with mechanical fuel pumps. 7-Liter 4-Cylinder engines. Many engines use an electric fuel pump and others use both an electric fuel pressure pump and a mechanical "lift" pump. Save yourself time and money by picking up the right engine repair manual. Mechanical pumps can be subject to interal wear and tear, breakage, ethanol troubles and on engines with a lot of hours the pump arm can be worn down beyond use. Since the engine is injection engine and the fuel pump was whining, this was the key to find a problem. Ford F-Series Fuel Pump/Fuel System. 4 MPI motor problem. You say that you have checked the fuel lines and they are ok,but did you remove the anti-syphon valve and check it?They are a big problem on all boats. Pulled the water pump / fuel pump / drive assy off (took about 15 minutes) and into the garage we went. FUEL PUMP SEAWATER MERCRUISER MarkV 454 MarkV 502 REPLACE 818383T SIERRA 18-8860 - $109. This Site is best viewed in IE7 or newer and Firefox 3 or newer. Our OEM Marine Fuel Pump Assemblies are complete and ready to install. Some mechanical fuel pumps need a regulator if it is a high volume pump, if that is the case yo can be sure that is your problem. I'll be checking the fuel pump soon. Fortunately, a little common sense goes a long way in maximizing pump reliability. 5 GPH: MerCruiser 4. Many engines use an electric fuel pump and others use both an electric fuel pressure pump and a mechanical "lift" pump. A fuel pump replacement is fairly common repair for sterndrive motors. PPT is the #1 online source for Mercury Mercruiser Gen III Cool Fuel Service Bulletins and other Mercruiser technical product information. Some anti-syphon valves are mounted to the fuel filter assembly on the outlet side. MERCRUISER WATER PUMPS - SEA WATER SEA WATER PUMP 46- 807151A12 Fits GM V‑6 & V‑8 (454 & 502 cid) Gen VI engines with v‑belt and electric fuel pump SEA WATER PUMP 46- 807151A 9 Fits GM V‑6 & V‑8 engines with serpentine belt SEA WATER PUMP 46- 862914T10 w/o air fittings Fits MCM/MIE 4. Genuine Mercury Marine EFI Fuel Pump for Mercury Marine 40HP 2005, Replaces 883202T02, 883202A0 Description: W albro replacement fuel pumps, modules, and assemblies are designed to meet or exceed OEM specifications, and feature upgrades that improve on the OEM design. All MPI, EFI, and TBI models with Gen II Cool Fuel OF820000 THRU OK999999. Mechanical pumps can be subject to interal wear and tear, breakage, ethanol troubles and on engines with a lot of hours the pump arm can be worn down beyond use. Fuel pressure should not drop below 2. Mechanics use several different fuel pressure tests to determine the underlying cause. Any one of several different parts can malfunction and lead to fuel pump problems. Another quick fix for it if dose happen while out playing, and you NEED it to start right away. Replaces OEM number 861156A1. Fuel Pump Problems. About Sterndrive Replacement. Your assistance with my order was spot on, i was looking for new gauges for my boat. 880596506 Fuel Pump. Many new engines simply do not have the provisions to use a mechanical fuel pump. Did the accelerator pump return spring get put back in the carburetor? This is the spring that resides underneath the pump and it is what returns the pump to the normal position. This is one of the more common fuel pump problems found in classic cars that are between 30 and 60 years old. The bushings are replaced only if you have excessive free play in the throttle shaft. The tester fits most systems, except for Bosch, CIS-Jetronic, and GM throttle body systems. There really are truly numerous sites to purchase from on the world wide web, but you have indeed chosen our web page and we appreciate it considerably. Here are some of the most common fuel pump problems and their remedies: Whining noises In addition to a problem with your fuel pump, whining noises can be caused by a low gas tank, impurities in your fuel system and engine, or damage to fuel hoses or other parts of your car. Once started, it ran okay, dieing once but restarted and we made back to the ramp. In this engine if oil pressure doesn't come up it will turn fuel pump off!. The heavy duty construction ensures longevity under the most extreme conditions. 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. Wholesalemarine. I have a 45' wellcraft excalibur fited with 2007 mercruiser 496 ho efi's, the starboard engine is running at a fuel pressure of 80+psi, have checked the pressure regulator that is working fine, checked the vacuum and it is the same on both engines, can anyone suggest what else to try before replacing the fuel pump. In our opinion, it is always best to use a -8 return line when using a belt driven fuel pump. Might be the same issue but might not. This is typically done by measuring fuel pressure with a mechanical gauge. 00 This year - Starts and stalls put fuel additive top it up with gas in and replace separation filter starts up and runs for the day. Or, the fuel tank might be empty (don’t believe what the gauge is telling you), or the fuel tank might contain contaminated fuel (water or too much alcohol) or the. 7-Liter 4-Cylinder engines. Page 1: How to test a BAD Fuel Pump. When rebuilding a fuel pump you should decide if this is for a driver or a show-car because the cosmetics are different for each. mercruiser 5. Mercruiser Fuel Pump. along with the fuel system, check your accelerator pump on the carb, remove the flame arrestor and remove your cable at the carb and stroke the linkage and look down the throat of the carb, you should see 2 nice steady streams of atomized fuel squirt down the throat. The Clymer® MerCruiser® repair manuals are excellent for the do-it-yourselfer or the beginning mechanic that needs certain help when making repairs and/or diagnosing problems. 3L [ALPHA I] 443B0002S. Problem Pump and Regulator setups: These are combinations that many of you are using and you could be experiencing problems because of it. The AEM E85 Fuel Pump is designed for in-tank installation on high performance naturally aspirated and forced induction vehicles. 1 HO MPI, Levitator 496cid or Marine Power 8. Wholesale Marine recommends taking these steps in a process of elimination to determine if a fuel pump is. 95 - Mercruiser Fuel Pump and Cooler Kit Replaces Mercruiser 807949A1 and 861156A1 Consists of Fuel Pump and Fuel Cooler. After the fuel pump, the fuel is under pressure and will seep out any unsealed areas as a fuel leak. Fuel Filter Mercruiser; Gasket Mercruiser; Impeller. Some features may not work as intended in your current browser. 0 MPI User Manual. 7L GM with the Spider Fuel Injector Assembly. Mechanical pump by the way. Mechanical Fuel Pump vent tube. Here I'll address several symptoms of a bad fuel pressure regulator. The other end of the lever, which is linked loosely to a rubber diaphragm forming the floor of a chamber in the pump, goes down and pulls the diaphragm with it. The heavy duty construction ensures longevity under the most extreme conditions. Please note the low pressure used on carbureted engines looks the same but is threaded on the outlet end. Mercruiser Fuel Pump. Featuring the best prices for 18 Blade Pump. When the internal diaphragm leaks, fuel escapes through the weep hole to notify the vehicle owner of a malfunction. The fuel pump will hum for two to three seconds if the pump is working. As the fuel pump relay controls power to the fuel pump, any faults with it can cause issues with the fuel pump, which can cause drivability problems for the vehicle. This tube leads to the carburetor. The Solid State (cube) and the Cylindrical pumps have been in use for many years. RepairPal recommendations for fuel pump issues. The Mercury MerCruiser 6. I wrote an email ([email protected] Shop, read reviews, or ask questions about Fuel Pump Kits at the official West Marine online store. Anybody else had issues with OEM mercruiser fuel pumps putting out too much pressure. They become stuck with crap and will not open. Look for plugged filter or clogged lines, bad pump, stuck needle & seat, and fuel pressure. Here I'll address several symptoms of a bad fuel pressure regulator. This problem was "cured" with dual stage pumps. IMPORTANT: If fuel is visible in tube, the fuel pump should be replaced by your Authorized Mercury MerCruiser Dealer immediately. The fuel pump delivers a constant flow of gasoline to the fuel rail at a regulated pressure and volume. Anyone have a good place to get Mercruiser parts online? I had a fuel pump go bad this weekend. Manufactured in a TS 16949 certified facility in the USA, trust Carter Marine. How to Change Your Mercruiser Water Separating Fuel Filter. If it's a carbed motor and it starts but never idles, I don't think the problem is the cutoff system. The only way to sort these problems is to go through each component seperately, particularly where others have played before you. 0 liter in-line 4-cylinder engines, and also later model Mercruiser 3. A fuel pump replacement is fairly common repair for sterndrive motors. if it dribbles then you either have a bad accelerator pump or a restriction on the fuel side. Understanding Marine Fuel Coolers First, Let’s understand the “why” about fuel coolers and what they really do: Fuel coolers are part of the typical fuel system on most marine electronic engines and are also used as a factory installed option on many non-electronic engines. delightful reading experience. Checked all connections and got back up to 12V and pump kicked on - got boat started but it died within 15 seconds, pump would not kick on but still had 12V on the leads. If the fuel pump starts weeping, you want the fuel to be ingested via the carburetor, so the nipple should be at the top side of the arrestor. Maybe the original poster will say what system he has. 7 EFI (TBI) Fuel pump or fuel regulator issues. What thermostat is for a 1994 sea ray mercruise t 3. Swapping your mecanical fuel pump for electric. That would be the easiest way to check your pump. The pump puts out too much pressure so you have to buy a regulator for it. He did find some trash in the fuel filter. 12 Generic Viagra Overnight Delivery. Wholesale Marine recommends taking these steps in a process of elimination to determine if a fuel pump is. A mechanical fuel pump in your application is more reliable. If you wonder whether or not you have a bad fuel pump, here are a few signs that it is time to get a replacement. This applies to the intake screen for in-tank fuel pumps, as well. In some cases, the fuel pump assembly may also contain the FPCM. Cranks but does not Start. 1775 N Lapeer RD. 1L engine in your yacht or powerboat? Raylar’s marine performance packages are bolt-on replacement parts for any Mercruiser 496 MAG / 496 MAG HO, Volvo Penta 8. This will add heat to the fuel and aggrivate the problem. Currently it will not start when the ignition switch is turned on. anybody have a link to a fuel pressure gauge that will work? I'm pretty sure that it is the fuel. 00 21615095 Volvo Penta Fuel Pump Assembly - REPLACES 3594444 21397771 21545138 3861355 3-4-2017 - (1) Left - OEM !!!!! FITS Most Volvo Penta Models, 4. 0 MPI I want to buy a Mercruiser Scan Tool product from the manufacturer Rinda technologies. Replaces Mercruiser 42725A3, OMC 509407, Mallory 9-35422, flange ID 60337, M60337. No to the electric. The Mercury MerCruiser 6. Get it as soon as Wed, Aug 21. One of the first symptoms of a problem with the fuel pump is a loud whining sound. 135 hp: 10. vi gm 454 v-8 1998-2000. The Mercruiser Alpha One stern drive interfaces with the boat's engine to help run the boat. Mercruiser makes a kit that uses a secondary fuel pump to push the fuel from the tank to the primary fuel pump. Mercury MerCruiser 8. 0L 1989-1994 0C856599 0F353099 Carbureted Digital/EST 2. 1775 N Lapeer RD. All those things should probably be done anyway so no money wasted if they do not solve the problem. If the pressure in the fuel system is too high, the engine will get too much fuel. Mercury-exclusive PCM 555 high-speed microprocessor that optimizes fuel mixture, knock control and ignition timing independently for each. Re: problem with Mercruiser 5. Problem Pump and Regulator setups: These are combinations that many of you are using and you could be experiencing problems because of it. This applies to the intake screen for in-tank fuel pumps, as well. I did trace the fuel pump electrical leads to a brown electrical device shaped like a disposable lighter with a diode symbol (I think). This applies to the intake screen for in-tank fuel pumps, as well. if it dribbles then you either have a bad accelerator pump or a restriction on the fuel side. A leak in the diaphragm or one-way valve inside a mechanical fuel pump will cause a loss of fuel pressure and starve the carburetor for fuel. This is the only time the fuel pump is leaking. Mercruiser Electric Fuel Pump for 5. 0l MPI/Bravo 3-gctid815795. As the fuel pump relay controls power to the fuel pump, any faults with it can cause issues with the fuel pump, which can cause drivability problems for the vehicle. The nipples are attached via a tap and do not actually penetrate any part of the spark arrestor so as to allow a backfire flame to ignite the fuel in the hole. 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. • Multiport injection system provides dependable turn-key starts, optimized fuel/air distribution, digital electronic. 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. Since 1968, West Marine has grown to over 250 local stores, with knowledgeable Associates happy to assist. Even the best electric fuel pumps on the market aren’t very forgiving of poor installation practices. You always want to wire a pump through a relay,” Baker advises. If it's a carbed motor and it starts but never idles, I don't think the problem is the cutoff system. Fuel Pump & Filter for Mercruiser Sterndrive. The power valve in the bottom of the bowl must have a good gasket, or fuel can leak by the. com is a division of Guaranteed Carburetors of Largo, Florida. Built to exacting specifications, ACDelco Fuel Pumps include our original equipment line for GM vehicles, and a select offering of Professional, premium aftermarket products for GM vehicles. No lubricating oil is being sup-plied to the engine. 0 MPI I want to buy a Mercruiser Scan Tool product from the manufacturer Rinda technologies. 7L GM with the Spider Fuel Injector Assembly. 68 mpg for the 5. 0 MPI/TKS - 181 cid. Our OEM Marine Fuel Pump Assemblies are complete and ready to install. 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. 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. Mechanical FUEL PUMP Mercury Marine 5. Find great deals on eBay for mercruiser fuel pump and mercruiser 4. MerCruiser Fuel Pumps Our goal is to help you obtain the correct parts on the first call. Apparently starting sometime in 1995, Mercruiser Alpha 1's began having a problem. The tank should be less than 20 percent full before adding the first load of fuel with ethanol. Some anti-syphon valves are mounted to the fuel filter assembly on the outlet side. 7 and SOME older 8. This video explains that module. vi gm 454 v-8 1998-2000. Some anti-syphon valves are mounted to the fuel filter assembly on the outlet side. There was no sound coming from the fuel pump (was not priming). In the case that you are looking for Mercruiser Cool Fuel Boat Parts, you have come to the right place. Mercury Fuel Pumps Our goal is to help you obtain the correct parts on the first call. Or install a vacuum gauge before the fuel pump. Most fuel pumps will produce a quiet hum during their normal operation, however, an excessively loud whine coming from the fuel tank is usually a sign of a problem. Edelbrock Fuel System components covers a wide range of products for your fuel management needs, from injectors, complete fuel line kits to gauges and more! Edelbrock. 2L MPI gasoline engines. Holley Red Fuel Pump - Before or After Mercruiser Fuel/Water Filter I have positioned the pump after the filter element of Mercruiser. Mercury-exclusive PCM 555 high-speed microprocessor that optimizes fuel mixture, knock control and ignition timing independently for each. Replaces Mercruiser 42725A3, OMC 509407, Mallory 9-35422, flange ID 60337, M60337. You'll need to take steps to release the fuel pressure before you can remove the fuel pump or any associated parts. The tester fits most systems, except for Bosch, CIS-Jetronic, and GM throttle body systems. The AEM E85 Fuel Pump is designed for in-tank installation on high performance naturally aspirated and forced induction vehicles. had a problem at the river couple weeks ago boat overheated and then also seemed to run out of gas. Mercury MerCruiser 8. Enjoy great priced products with fast shipping. Performance; Affordable Fuel Injection. 0 has the gen 3 cool fuel module which also has another fuel filter. We use cookies to enhance the security, performance, functionality and for analytical and promotional activities. I told him to isolate the engine from the boat's fuel system with a portable fuel tank and a fuel grade clear hose. To ensure great combustion and quick starts, this operation is performed under high pressure. Ok, five bucks to the first person to solve this mystery. This problem was "cured" with dual stage pumps. Some mechanical fuel pumps need a regulator if it is a high volume pump, if that is the case yo can be sure that is your problem. Some features may not work as intended in your current browser. DOWNLOAD a complete MerCruiser repair manual in seconds. With easy installation and 100% factory testing and approval, Carter is a leading manufacturer of complete fuel system solutions. The world famous Red®, Blue® and Black® fuel pumps are the most recognized performance pumps of all times. Now I've heard 2 stories (Well 3, if you count the "There's nothing wrong"). Some anti-syphon valves are mounted to the fuel filter assembly on the outlet side. 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. Wet a towel and place on the fuel pump to cool it intel it starts. If the heat rises and the car stalls, this may be an indication that the motor of the fuel pump is having problems. AEM's E85 Fuel Pump features robust internal construction that is designed to withstand the low lubricity characteristics of ethanol and methanol fuels, and has been tested to work with ethanol fuels up to E100, methanol fuels up to M100 and all types of gasoline. Shop with confidence. com is a division of Guaranteed Carburetors of Largo, Florida. About Sterndrive Replacement. By clicking close you agree to use the site as is. Once manual is downloaded any number of pages could be printed or it could be printed in whole. I can pour fuel into the carb and engine starts fine but of course stalls once that fuel is consumed. For older MerCarb 2 bbl. I didn't show any voltage at the fuel pump wiring plug with my multi. It’s under the hood, in the fuse/relay box. The temperature of the car can also telegraph an emergency with the fuel pump. So now that I seem to be getting no fuel to that engine from either tank, I suspect a fuel pump problem which I where I need help. I talked to one boat dealer and he told me to take to fuel pump off and just drop it. 3L V6 Mercruiser Engine Problems Showing 1-12 of 12 messages. Your fuel rails may be pressurized. and i am still having a fuel pumping problem. Solution: i filled the bowls with fuel so that the car runs for some seconds on higher rpm`s and voila the fuel pump. Sterndrive Replacement is a company unlike any other in the sale of aftermarket MerCruiser's Sterndrive , Alpha One Generation 1, Alpha One Generation 2, Bravo 1, our stern drive designed to replace Mercury Marine's Mercruiser®, Alpha One®, R, MR, Gen 2 and Bravo One® stern drives. 1 Excessive fuel pump pressure 1. It sounds like your pump may be faulty- Yo can purchase a cheap fuel pressure gauge at checker or autozone. Mechanical FUEL PUMP Mercury Marine 5. At the same time I changed the fuel filter. An old fuel filter can slow you down. Add to Cart. One of the first symptoms of a problem with the fuel pump is a loud whining sound. Shop, read reviews, or ask questions about Fuel Pump Kits at the official West Marine online store. Blow through the lines with compressed air and try the test again. Mercruiser Fuel Pump. I would add some fresh fuel to it and get a water seperating fuel filter for starters. Carter offers a comprehensive product line including assemblies, universal electrical fuel pumps, first- and second-generation mechanical inline fuel pumps and other essential components. 5) No spark or engine problems such as bad compression. Buy OEM Parts for Mercury MerCruiser Sterndrive Parts by Year Mercruiser Fuel Pump And Fuel Filter Diagram. At first, I was not really sure what the problem was. Wholesale Marine recommends taking these steps in a process of elimination to determine if a fuel pump is. Sierra fuel water separators remove over 99. The fuel pump delivers a constant flow of gasoline to the fuel rail at a regulated pressure and volume. How to Change Your Mercruiser Water Separating Fuel Filter. I assume the low pressure pulls fuel from the tank and then the high pressure sends it to the ejectors - When does the low press pump run and when does the high pressure run?. com is a wholly owned subsidiary of Lighthouse Marine Distributors, Inc 2018. Ripped it all appart (hardest part was getting off the pulley). Residual fuel from the fuel lines, and perhaps the fuel tank, can leak out when the vehicle is immobile as well. Mercury/ Mariner/ Mercruiser GEN II Style; 880596509 Fuel Pump Isolator For Mercury Mariner Verado Outboards. And the basic tune up would be next on the list. Many engines use an electric fuel pump and others use both an electric fuel pressure pump and a mechanical "lift" pump. To demonstrate how to change the chevy small block fuel pump I am going to remove and replace the fuel pump on a seized chevy 305 I recently (May 2007) removed from my truck. Founded in 1909, Carter Fuel Systems is a leading manufacturer of complete fuel system solutions for the professional installer. All Mercruiser fuel pumps since the 1970's (or so) has a semi clear yellow tube on the top of the pump. Now that you have confirmed that the 'no start' problem is due to a lack of fuel, you now need to actually confirm how much pressure the fuel pump is producing with a fuel pressure gauge. Most fuel pumps will produce a quiet hum during their normal operation, however, an excessively loud whine coming from the fuel tank is usually a sign of a problem. the problem. Wholesalemarine. These are low pressure a 7-14 PSI, but prime extremely easily and are used on almost any carbureted engine or as a feeder pump on many Mercury EFI engines. View parts diagrams and shop online for FUEL PUMP AND FUEL FILTER parts, 1992 Mercruiser 4. The following information contains troubleshooting testing procedures for engine surges problems [i. In some cases, the fuel pump assembly may also contain the FPCM.