electric fuel pump losing prime. Try filling the tank up to at least ha
electric fuel pump losing prime Open the fuel door, remove the fuel cap (if your car has one), and. Hope this helps. As indicated, older pumps have the screw retained valves, later ones held by being staked. Make sure you have already primed the system so that you can see the leak sooner. Show details $49. You might be fighting a broken pickup tube in the fuel tank. There can be several reasons for re-priming, one of the most common is evaporation of … Posted: Sat Jun 27, 2015 9:12 am Post subject: Losing fuel pump prime My JD 5420 has started to lose fuel prime when it sits overnight. Concerns of low fuel flow on a long hose can be eased by increasing hose diameter. By these readings, it is indicating to me that the pump is internally shorting to ground, causing this problem. As Troy said they will lose their prime if you mount them high. S Strokerin Senior Member Joined Dec 31, 2008 419 Posts Discussion Starter · #8 · Feb 22, 2008 A good working fuel pump will draw and hold 14" in. Seal the opening around the shopvac hose with a rag while you pressurise it. CRACK OR LEAK IN THE SUCTION PIPING. A-Premium Electric Fuel Pump Module Assembly with Pressure Sensor Compatible with Chevrolet Avalanche 1500, Suburban 1500 & GMC Yukon XL 1500 & Cadillac Escalade ESV/EXT, 2002 2003 3. I do have a solar battery charger to one set of batteries , not two. Just cut a section out of it and stick a screw or bolt in the line both ends and put a clamp around the plugs. I am not mechanically inclined but can do basic stuff. engine cranked easily. A leak will introduce an. A quick bleed and a couple … If your car is losing power when driving it, this can be another sign of having a bad fuel pump. Re: Electric fuel pump instead of primer bulb on outboard. Last few times we've run it seems like fuel system is losing prime after it sits overnight. If your diesel engine uses a self-priming system, this will prime the fuel pump adequately. Didn't have any problems for a while after that and it started showing up again last year. Have you bolted anything to the block at the front near the fuel pump (on a standard block one of those holes goes through to where the fuel rod is). The fuel pump prime plug consists of two wires (BRN and RED). Gasket #12S electric fuel pump thats bolted to the underside of the floor in the hump above the rear axle. Just curious is the tank foam filled? Good Luck. Engine starts normally, runs a minute or two until using all of diesel in that filter . The engine will fire instantly. The primers stop working and they won't even be able to start themselves. fuel issue on top of the filter screen area of your primer pump there is a plug. I would hook my Mityvac to that inlet line and see how much vacuum it takes to pull some gas and see how long it will hold a small vacuum. If there is a vacuum on it then the vacuum on the tank might be draining the fuel system and therefore losing prime. 95 Dual Stage Air Filter Replacement Compatible with … Oil pressure switches sense oil pressure, if oil pressure drops below 7psi the switch will cut power to the fuel pump. I'd look to your return lines as the source of your lost prime, boat design, gravity and … The fuel filter lost prime, took it to a local diesel shop around the corner and they told me that they had to replace the fuel filter housing. Check that you have the fuel line from the tank to the 'IN' side of the pump. #8 · Dec 22, 2013. A fuel pump draws petrol out of the tank through a pipe to the carburettor . Step 1. these check balls can be a problem (older ones fall apart) and can be easily replaced with a new upgraded check ball. Is the fuel pump rod in (as mentioned above). With the engine running the fuel pump will fill instantly. 9 0. Payne, AL. THis way the fuel pump isnt running all the time esp when the engine dies and starts pouring fuel out the carb and starting any fires. I have a 1995 4. Some diesel engines utilize a self-priming system that does not require manual priming. If you have a leak in the return system it will suck air back throught that line. I am in the process of gathering fittings to check. DOM 10/73. It starts but stalls right back out, Then I have to run … read more -Brad- Foreman Dodge Dealership Vocational, Technical or … First time it was the pickup tube in the tank having a pinhole and it would lose prime if it got below a 1/4 tank. This. The fuel pump has a check valve built into it that is supposed to keep pressure to the injection system when you shut down and vehicle sits. Nov 25, 2011. The first was a fleetguard the 2nd a napa filter. Prime the bulb, and keep an eye on that hole in the back of the pump. The fuel pump is used in any car where gravity cannot be used to pump the fuel into the system. Something is not wired correctly and you are asking for an explosion. It goes into the rectangular block … Sometimes the pump will require manual re-priming after the initial prime. Step 3. experience with complete engine repairs both inboard/outboard and. Held the line higher than the fuel pump and poured fuel into it till it got it's prime. 99 Product Description Fuel pump supply and/or pickup problems are another common cause of this dilemma. My 60 hp mercury outboard keeps losing prime i have replaced fuel lines and primer bulb also replace fuel seperator can Ask an Expert Car Questions Boat Mechanics my 60 hp mercury outboard keeps losing prime i have replaced… Satisfied Customers 40 yrs. im on my 3rd, and when this one dies I have a SD pump going in Reply Like 1991 F350 7. Connect the plug to the M-10 ACE / ECUChassis The fuel pump has a check valve built into it that is supposed to keep pressure to the injection system when you shut down and vehicle sits. Possible areas are loose hose clamps, or even a cracked line, that stupid tee which sounds like you changed already. You should have a mechanic like one from YourMechanic come and test the … I changed all the fuel filters ( 2 on fass pump and one on engine) using the same 3 filters ive used the time before and now anytime the truck starts itll die 3 minutes later if i dont crack the fass fuel filter and prime first. Leaks on the pump’s intake line as … Primed thru lift pump, then connected to head connection, primed thru injector pump and injectors. When the car doesn't have enough power to drive around, then the chances are that the fuel pump has stopped working. You will find that will prime the line up to the fuel pump. Fuel pumps can easily be repaired using the proper fuel pump repair kit, or replaced altogether at very little cost. 3 mercruiser I/O that I bought with a fuel issue. I looked at the part onli … read more Ron Automotive Tech Vocational, Technical or Trade Scho 43,631 satisfied customers pump prime plug to power-up the fuel pump when purging the fuel system of air or when testing fuel pump pressure. Get a small enough funnel or i use a squeeze bottle and fill the bowl of the carb up. Some cars require removing a simple hose fastener, while others may need a wrench to remove the rubber … When the relief valve doesn't open, fuel floods the engine and it consumes an exorbitant amount of gas. Kinks in the stock lines can create cavitation (like kinking your straw and bubbles appear down stream of the kink). Push the fuel line off the carburetor nipple. Does the fuel cap have a vacuum on it when you open it. If fuel is visibly leaking through it, your diaphragm is bad. No help but cheap peace of mind. If you shut it down and try to start right away it starts no problem . My thought was that when the pump is turning in the unmoving fuel it heats the fuel and vaporlocks itself. This means that the water inside of the pump is continually flowing and heating up. Fuel lines with leaks and cracks 2. It always cranks over great. 1. Then, stick your finger on the hose barb. If the hole (s) is/are small enough the pump will … Put one of those in the fuel line down by the fuel pump, pointed in the correct direction. Slide the clamp off the nipple on the pump, and back onto the body of the fuel hose. If the pressure drops then the pump has to prime the system to bring the pressure high enough to start and run the engine. The only thing I haven't done is check fuel pressure. The strainer P/N is 1899335C91 -About 50% of the fuel pumps returned to Navistar are not defective (click to see . Anyway, I couldn't find any obvious cracks in the fuel filter or bleeder screw and nothing too obvious from the WIF sensor. Never leave the gas tank empty 2. It was running smoothly UNTIL I hooked it to a large RV. Try filling the tank up to at least half a tank or more and see if it runs then. Valves 3. regulator. Here are the simple instructions to follow when you need to prime a mechanical fuel pump: Open the hood of your car and locate the mechanical fuel pump. 53 34. Another thing you could do is add a prime switch to the electric fuel pump. IQ Chassis Power Plug IQ models (CFI and carbureted) feature a chassis power diagnostic plug. As it steadies out, after it reaches prime, it should be no more than 800mA to 900mA. Leave it sit overnight and see if the fuel lowers in the clear hose, possibly indicating leaking check valves in the fuel pump, primer bulb, fuel tank check valve, allowing fuel to return to tank. Noticed that the fuel pump inside the tank was whinning a high pitch as if the tank were empty-but it was full. gets air in it, runs off fuel in primary, then dies) And no, the primary filter (both I have installed) did not have o-rings. Posted on Sep 17, 2019 0 Not Helpful Ad 25 Answers 4390 Answers 1 Answer 4803 Answers 5531 Answers Add Your Answer Would there be an reason that once the pump got its prime that it should slowly loose it even with constant power? I did some testing. Open the cap on the fuel tank before trying to start the motor. Step 3 Squeeze the fuel line clamps on the fuel hose coming from the fuel tank, at the fuel pump. Mount the pump as close and as low as possible to the fuel supply, you MUST run a filter between the pump and the supply (tank/cell). The pump may be mechanical worked by the engine - or it may be electric, in which case it is usually next to or even inside the fuel tank . Yeah, 66GMC that's the filter I have. The fuel water separator ends up not being full if you shut the truck off when its running out of fuel and pull the filters off. Turn on your tractor. A new pump, new fittings, reprimed, etc. The fuel filter lost prime, took it to a local diesel shop around the corner and they told me that they had to replace the fuel filter housing. The fuel pump has a check valve built … JOHN DEERE FUEL LIFT TRANSFER PUMP REPLACEMENT | JOHN DEERE POWERTECH 6. No external leaks. There is a o ring fitting at the lift pump on the pressure side, it is a common failure point. The fuel filter was replaced somewhat recently, but I haven't had any trouble in probably about 10,000+ miles. We ended up using a fuel filter that had a return line to the tank and it solved the problem. Just pry the wire connector off of the stud carefully. #4. 1991 F350 7. remove the plug and there is a check ball. . If the leak was after the electric pump - it ought to show up as a fuel leak somewhere. Thread starter bandit819; Start date Oct 10, 2011; Oct 10, 2011 #1 bandit819 Senior Member. Work the throttle and turn key on wait and then try again and it just turns over and won't start. The other would be a new line running parallel to the original line to test that the problem is in the line. Most of the times this line is underground or in a hard to reach area, so … Another thing you could do is add a prime switch to the electric fuel pump. I specificly checked when I put the primary on the 2nd time. The fuel pump has a check valve built into it that is supposed to keep pressure to the injection system … The tank has been down several times now, the fuel filter is new, the fuel sock is new, still no fuel pressure. . Quite a few folks are turning truck on, without starting, several times, in an effort to “prime” the system before … Steps To take If Your Pump Is Losing Its Prime Check for leaks- 90% of all pump problems occur on the suction (or Intake) side of the pump. Turn it off back on again and turn it over again and after maybe 30 seconds it will fire off and run fine. Duramax losing prime. Let go of the primer bulb. The new pump pushes gas out into a jar all day long, and also circulates it through the over-pressure bypass all day long. Hands down the best way to get the job done. hg. If there is any sort of an . Leave it sit overnight and see if the fuel lowers in the clear hose, possibly . Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. The wiring system is very simple - there are two sources of power to the fuel pump - the starter when cranking and the oil pressure switch when oil pressure is above 5 PSI. This kit is a great replacement for your OEM rhino 660 or rhino 450 fuel pump whether you have a stock engine or a performance engine. 7L Fuel System Priming Saw on multiple threads that there is a potential issue with the Bosch CP4 fuel pump. The fuel is "pulled" from the tank via the IP on the top/front of the motor. Enter the email address you signed up with and we'll email you a reset link. It takes about 10-15 pumps and it's fairly hard but it loses prime within 1-2 minutes and is soft again. Cummins NT-855 fuel system losing prime? Greenbuggy; Nov 7, 2019; Onan Generators; Replies 17 Views 4,609. I pulled the return off the rail, made sure it was free flowing down the body … It is sealed by o-rings which are accessed by removing the fuel filter from the head, removing the head from the mounting bracket and removing the "pipe" the filter screws on to,to remove the fuel heater. Any small leak between primary pump on rear of injection pump and fuel tank will cause that. Low Fuel Efficiency If your car is losing fuel efficiency when you drive it, it can be a sign of having a bad fuel pump. 3 idi is in correct working order, they will fire almost instantly with a mechanical pump. This would make sense for vehicles that sit for extended periods. The problem is, occasionally I will go to start the car, and the pump wont be moving any fuel. 66GMC Get in, sit down, hang on Joined May 9, 2005 3,509 Posts #5 · Sep 6, 2011 A flow through electric fuel pump on a separate momentary switch could be used to fill the float bowls before cranking. 9 billion Vanguard Prime- … Why Is the Fuel Pump Losing Prime? 1. but losing less funds performed versus peers, . Otherwise the following is a temporary mod for the OFV Boa550 said: Disconnect the fuel line from the engine side of the bulb. Whatever it be, it ends … On initial prime of this 24V pump, it should not go over 4. You can get a rebuild kit from MerchantAuto for less than 50 bucks. 5L | John Deere 2054Everything you need to know how to replace fuel lift pump an. One spot people tend to forget about is the front pump seal. It's probably your filter head seals. There's a difference between (1) having to continuously pump the primer to keep it running, or (2) having to prime it just to get it started but then it keeps running. 8L 4. 6. Temporarily install a clear hose between the fuel pump and carb (s) watch while running for any air bubbles passing thru indicating air sucking into the system before the fuel pump. When the fuel stream is inconsistent, your engine jolts when you accelerate or it has problems starting. Boat fuel tanks are vented, but a plugged vent means that, as fuel is sucked out of the tank, no air moves … I have been losing prime from the fuel pump. Worse to prime than a 2 stroke Detroit in my opinion. Can be difficult to locate the problem. It has front and rear fuel tanks and both have plenty of fuel, and it loses prime under either one. Pumping the primer clears it up right away, but wont run on its own until the primer is hard. I added a Kennedy single pump and a filter before and after the pump and left my stock filter in place. Lastly, you DO need a vent. Old Mallory 140 pump and 1/2" fuel line from the filter to press. The proper sequence is run, wait, turn to crank. If you're sure that you're losing prime then air is getting in somewhere and allowing the fuel to go back to the tank. 9 billion Vanguard Prime- … starting and diagnostics The proper method to start any EFI engine in a car or a truck is to turn the ignition key to run and no farther. Great, launch the boat, start it, and the pump loses prime. Consider reading our guide to Bad … For best results, mount the pump close to the fluid or fuel tank and below the liquid level. Mercury Outboard Fuel Filters Moeller Fuel Pumps Seachoice Fuel Pumps Sierra Fuel Pumps First would be an electric fuel pump close to the tank to push fuel between the tank and filter. The car has stock (but new) gas tank and fuel lines. Ask anybody, when a 7. They will allow air in when the engine is not running and allow the system to drain down. The strainer should be serviced at the filter replacement interval (30K miles / 43K Km / or 12 months). Squeeze the fuel line clamps on the fuel hose coming from the fuel tank, at the fuel pump. Shutdown and restarted few times, allowed to run without problems. Had no issues for months. Blockage How to Make Fuel Pumps Last Longer 1. All other filters and lines are now bypassed. 3, 5. $50-$100: In this price range, you can find a. Turn off your tractor. high volume Mikuni fuel pump for more volume and quicker starts now if you can run the electric side by side, meaning that when the electrical pump primes the system, you shut it off and use the mechanical that's not obstructed. Once youve built pressure look for leaks. Let it operate for 10 to 15 seconds while in a neutral gear. Quite a few folks are turning truck on, without starting, several times, in an effort to “prime” the system before … I have a 69 Chevelle with a built 355 thats fed by a Mr. I have a 2006 GMC Sierra 2500. Have 5/8 steel braided from tank sump to pump. 7 carburated engines, replaces 861155a3 Brand: Low Pressure 41 ratings | 3 answered questions $4995 FREE Returns Buy it with + Total price: Add both to Cart One of these items ships sooner than the other. Remove the pipe linking the mechanical fuel pump to the carburetor. The fuel strainer can be seen when the pump is removed from the filter module. When your pump is too hot it will cause damage and can potentially crack. With the arrow pointing to the side where you pulled the hose off. A duramax doesn't have an electric fuel pump. Started at the engine, then fuel filter, then tank lines, … Has a Cummins PT fuel system, and an aftermarket filter/water separator from NAPA. 95 $10. I have to turn the key on and off 4 or 5 time to get the fuel … It was losing prime after running for a few minutes. For (2) it indicates an air leak somewhere on the vacuum side (soft lines, filter head or pump, or rusted out hard line). If it does remove it. Leaking at the injectors would cause a no start at the first attempt. Once you do that then you can use the puffs of vacuum on the pump to check whether the pump is … Why A Self-Primer Loses Prime. It is possible to remove these by carfully chiselling away the bent over bit with a very small, sharp chisel (perhaps made from a … The electric fuel pump should restore the prime effortlessly when it 'loses it'. 90 Frequently bought together + + Total price: This item: NICHE Fuel Pump Assembly For 2004-2009 Yamaha Rhino 450 660 5UG-13910-01-00 $19. Your fuel pressure will also start acing up as the fuel level gets lower (the lower it gets the more it will act up). 525 Posts. I changes the fuel pump and still have the same problem. Fill your tractor’s fuel tank until full. Sometimes the fuel pumps go bad. Click to expand. Crack the line at the pump; fuel should dribble out and the air should escape. Yes, it is the large filter that is losing prime. Then there is a check valve in the primary pump it's self. Do not mix dirt and petrol 3. a water separator should be used before these pumps. Haven't taken it to the dealer yet but explained the problem, and three of the sledheads agreed that the fuel pump is probably starving for fuel (pinched line,bad fuel regulator in tank, hose off inside tank)what to you guys think. There are a variety of ways that the suction line can spring a leak. The fuel tube out of the tank goes under the cab to a rectangular block. Ft. Electric fuel pump losing prime randomly? Da_Raabi Dec 9, 2021 1 2 Dec 11, 2021 #11 C cadillac_al Veteran Member Apr 22, 2015 1,112 Maine I'm thinking the … Greenbuggy. I looked at the part onli … read more Ron Automotive Tech Vocational, Technical or Trade Scho 43,631 satisfied customers When there is an air leak, air leaks into the fuel system before the Injector Pump and almost always before the Lift Pump. Smile more. Step 4 Push the end of a clear plastic fuel line onto the pump nipple. 9 31. I had a ProLink to read codes and other people had been trying to start it all day after it ran out of fuel. for the companies tasked with cleaning E=estimate . I removed the bracket and … ested in offsetting fossil-fuel usage or That makes for an enviable business Waste Connections / WCN 135. Low pressure electric fuel pump for Mercury Mercruiser 4. A description of the fuel system is as follows. I have done this to some of my Onans so I can prime the carburetor after a long period of no use without wasting battery power cranking the engine. Cummins NT-855 PG270. Also get those return line caps and o rings replaced. Landclearer, Apr 10, 2015 #3 Tinkerer Senior Member Joined: May 21, 2009 Messages: 8,182 Location: The shore of the illinois river USA prime The best way to do it is to fill the carb by the vent tube. 0, 5. … What’s the Easiest Way to Check a Fuel Pump? A simple method to check if a fuel pump is turning on is to listen for it. I know the carb model prowlers are like that,Iam just trying to solve a problem, in 7 years … Your problem is most likely a pin hole in the fuel delivery line and the fuel is leaking out and the pump is sucking air. Check that the fuel line to the carb is not blocked. 5 – 10 PSI an electric fuel pump and fuel pump strainer. ested in offsetting fossil-fuel usage or That makes for an enviable business Waste Connections / WCN 135. The further up you move in pricing, the quality will raise. Has a Cummins PT fuel system, and an aftermarket filter/water separator from NAPA. … There are different causes to this depending on your engines. Why would the pump randomly lose prime like that? The setup is a stock tank/pickup plumbed via rubber line over the rear axle to a Jegs electric pump mounted where the parking brake bracket usually is on the frame. Therefore, you never want to let it run dry. Keeping the petrol tank safe For safety, the petrol tank is placed at the opposite end of the car from the engine. Eliminates Vapor Lock: When properly installed on most vehicles a constant, smooth, dependable supply of fuel under pressure is assured in the hottest weather or in high altitudes. Date: An electric fuel pump relies on fuel to lubricate and cool the internal workings. First, electric fuel pumps on fuel-injected cars can easily output 60 psi, often regulated down to 30-ish psi and then the excess fuel dumped back into the tank … I have a 69 Chevelle with a built 355 thats fed by a Mr. 3 idi : It has a new lift pump, new return line kit, new Motorcraft Glow Plugs, and all injectors have been externally cleaned, and all seem to work. If yours has a line running fron the #1 injector to the inlet side of the fuel filter. Quite a few folks are turning truck on, without starting, several times, in an effort to “prime” the system before … I have a 1995 4. If it is trying to suck more fuel then is being delivered by your electric fuel pump - it will make the injection pump get air-bound. The Fuel injection pump has its own rotary-vane fuel-delivery pump inside … It blew air and fuel out then fired up. 407driver If the system does not leak cranking it can get it done but dumping a little gas in the carb will cause it to start and pump the manual pump much faster to prime the system. … Fuel Pump for 2002-2009 Honda Metropolitan 2003-2016 Honda Ruckus Replace OE#16710-GET-013 16710-GET-003 (51) $19. Wait for the fuel rail to prime, and when you hear the fuel pump relay shut off, continue into the crank mode. It was losing prime after running for a few minutes. Whats causing this? Its done it for a few months now and its getting old cracking the filter loose. With a leaking manual pump it just takes a lot of cranking. The most common cause of the fuel system not holding pressure up to the injectors is the fuel pump inside the fuel tank. You could simply press the electric pump button for a few seconds to fill the bowls then crank the starter. 8 meeting regulatory quotas. an electric fuel pump and fuel pump strainer. Easy to install and fixed 90% of fuel delivery problems on the rhino. You should have a mechanic like one from YourMechanic come and test the … Enter the email address you signed up with and we'll email you a reset link. 5A. got a 01 cummins that is losing fuel system prime after it sits a day or so. If you have 4-Stroke outboards or fuel injected motors, then this will be a common issue caused by an air … Turn off the power to the furnace before making any attempt to tighten the nozzle. If your tank is at 1/3 or less this is most likely your problem. The Fuel injection pump has its own rotary-vane fuel-delivery pump inside the housing. Make sure the o-ring on priming pump stem is good. The problem is that it is loosing prime when sitting overnight and is hard to start. Then I traced and replaced the oil pressure cutoff switch and primed the system by disconnecting the fuel line from the carb and putting suction on it until . The new pump pushes gas out into a jar all day long, and also circulates it … 5,617. First I replaced the anti siphon valve. Im sure That it works when It is running, but that engine was designed to have a lift pump in full working order, and to aid it on start up with a e pump will not fix anything. Prime it again on the spot, it pushes gas again. This affects all types of electric pumps and will result in either cavitation or a loss of prime, after which the pump struggles to re-prime. Holley Carb Electric Fuel Pump - How Not To Set Them Up - YouTube 0:00 / 6:38 Holley Carb Electric Fuel Pump - How Not To Set Them Up ThunderHead289 268K … Amazon. Get your Jeep back to normal with a premium Jeep CJ7 fuel pump from AutoZone. There are two types of engines. 09 (3 used & new offers) Rhino 660 / 450 high volume fuel Pump kit with needed pump, lines, and filter. 8 (76) $5199 Save 5% with coupon FREE delivery Mon, Mar 13 More Buying Choices $44. Date: Location. Frequently, the use of a restrictive filter before the pump, one that is too small or too fine or both, is a problem. The engine only ran on a starting fluid charge. The main reason behind the fuel pump not priming may be a faulty fuel pump, the relay itself, or the internal suction mechanism that creates the air void. replace the o-ring. of vacuume on the suction side while cranking the engine and produce and hold 4-6 psi on the pressure side, and like the others said an air leak between the fuel pump and the fuel tank can also make an engine hard to start. Electric Fuel Pump Pricing $10-$50: Universal inline pumps dominate this price range. Your pump should NOT run when you turn the key on. Available Features 12 inches minimum dry lift 23 – 40 GPH 1. holley fuel pumps will get water in them killing the pump. Be certain the line connecting the fuel cell to the fuel pump inlet is big enough and that the inlet filter is course and free flowing. Turned it off and tightened nut to original spot, restarted. Usually I find them when I change fuel filters and even though I fill the filter with fuel before installing, engine won't restart no matter how much I prime it or anything. Spend less. It feels like it's just losing prime behind the primer pump like you said (water sep. com. Be careful, high pressure. Check for a Line Leak Line leaks generally occur around fittings, valves or filters. … I just want to use the electric fuel pump as a prime,just leave on for a couple seconds or so,after a couple of days it will siphon all the gas out of float bowl through the pump back into the tankand have to do alot of cranking to get gas back to carb. because you have a start for several seconds, you have no air in … an electric fuel pump and fuel pump strainer. … If your pump is leaking water it could be caused by the following: If you let your pressure washer run for longer than 2 minutes at a time it will enter into bypass mode. Neither came with a o-ring. Committee: House Education and Labor; House Agriculture: Related Items: Data will display when it becomes available. formed growth by the largest margin the $59. I have an 01 duramax. When running it runs great and maintains speed to hit 60 Hz for as long as we need it to stay running. Electric fuel pump losing prime randomly? Da_Raabi Dec 9, 2021 1 2 Dec 11, 2021 #11 C cadillac_al Veteran Member Apr 22, 2015 1,112 Maine I'm thinking the fuel line may have a small leak. Also, check your hoses real close; the pump will draw air through a poor connection before it draws fuel.