The Walbro fuel pump has been a staple in fuel supply for years now. You might just want to get a rebuild kit and replace a few things after cleaning it out again. Flathead screwdriver 3. C Claudius Registered Joined Jul 22, 2003 62 Posts The pump can flow anywhere from 0-115 psi, which is controlled by your fuel pressure regulator. . fuel pump relay. A good 'while your at it' thing because the system isn't pressurized. Their two most popular aftermarket in-tank high performance pumps are their 190 ltr/hr pump and their 255 ltr/hr pump. Walbro GSS342 Fuel Pump 255 LPH High Pressure Electric + 400-766 Kit. I did plugs, wires, cap and rotor, and fuel filter. There seems to be a problem serving the request at this time. GENUINE WALBRO/TI GCA761-2 255LPH Intank Fuel Pump Dodge Neon /SRT-4 SRT4 95-05. My car runs fine and starts right up after its warmed up. $68.00. that is about 10 gallon per hour . Inspect/troubleshoot/service the fuel system (fuel pump, cavitation, plumbing, voltage, filters, pickup tube, tank venting, etc.). If theres anything you feel I need to add or change, feel free to chime in. 1'' to 2'' stainless hose clamps, small screw 3. +1 year, 6 races and no problem . We should get more of those pumps by the end of November. Without any problem!! So I did not install the walbro. Although it will generate over 70 psi, its flow is no more (well maybe a little) than the pumps many carb guys use. Unfortunately, the stock LS1 fuel return is way too small to be returning what it needs to. AndrewC Registered 05 2.5XTEn Joined May 7, 2006 May 27, 2022. I know my original fuel pump had the check valve inside the pump. Do NOT use this seal. There seems to be a problem serving the request at this time. to push it into the cavity a bit before I put the cover on, to help stretch it a bit so that it can flex with the pulses. It becomes obvious when you hear the pump . . You are here. . Please contact LPE and we will send you the correct seal. Compared to the stock pump they are smaller but flow considerably more fuel. As mentioned in other thread, about 1 month and a half (maybe a bit more) I suddenly started to have strange fuel trims (although fuel trims behavior goes in the opposite direction of the potential cause of the problem). Cons 1. Emptied fuel tank, changed fuel filter Mechanic's Assistant: Anything else we should know to help you best? Had no problems with the install. The pump was a used Walbro 255l external purchased from a friend. Well after I bought the Walbro I read several articles that walbro fuel pumps are not good to use with returnless fuel systems. If you received an "H" shaped fuel pump module seal from us in a GM parts bag labeled with the part number 22672293, this is the WRONG fuel pump module seal. OEM Walbro Fuel Pump W / Regulator for 2008-2010 Arctic Cat 550 / 700 / 1000. The older 460 pumps are known to be a problem. A loud fuel pump is usually an indication of fuel pump cavitation or maybe a clogged filter (s). Easy to install. So I tried to adjust the fuel pressure down, and it won't go below 60 PSI at all. Walbro Fuel Pump for Ford Full Size Truck F53 1996 Stripped Chassis The Walbro TU205 OE Replacement Fuel Pump Kit. Car would end up dying after running it for 10 min. Phillips screwdriver 2. So should I start by replacing the pump. There was a small metal part rolling around in the plastic fuel reservior where the fuel pump sits and all it did was stir the fuel around in a glass bottle when I bench tested it. Carb is real clean but I don't think it's been run in awhile. 03-09-2007 01:42 AM. According to Bob Rawle, the Walbro has to much flow for a stock pre01 FPRs return to handle, in order to use the 255 on a 97-00MY Foz you need to fit a higher flowing FPR (such as an 01MY-> or aftermarket) otherwise you end up with high fuel pressure at low fuel demand. My car, 78SC, now starts fine when cold, but not when warm. This is my How-To on installing a Walbro 255LHP fuel pump on my 2003 Silverado SS with the return style fuel system. Let's set the topend first since it's the easier of the two. Mar 12, 2010. slightly off topic but i did some research on the stock fuel pump. should be OK. It's used for many yrs on the Walbro, Tillotson and Mikuni pumps. Let me know how that brushless setup works. Product information A datalog will just verify a problem with the fuel pressure, injector duty cycle, pulse width, etc. This is a 155 LPH Fuel pump kit for your 1986-1997 Mustang. I am at my wits end, Do these fuel pumps go out slowly by cutting our for no reason. . It's a COMPLETE kit, and is made by Walbro, and is a legitimate, NOT A KNOCKOFF Walbro fuel pump. Buy a GSS 342. marioimpreza said: My STI is knocking at 1.4 bar (turbo) on the s-afc II (knocking sensor) I have 3 exhaust and an injen conic filter what is the problem??? Truck won't run pops and crackles. The kit includes the pump, pump filter, terminal ends and the installation kit to get your Mustang back on the road fast! We shipped several batches of fuel pump kits with the wrong seal. Not returnless, but it has the integrated pump/fuel level in the center of the fuel cell. Pliers 6. Then, they'll have to ship them to the distributors. #1. The relay and wiring is all tight and I am lost need help. My guess is that you have some other problem lurking, like poor (non-existent) return fuel line, pump not sized right for your application (gallons per hour AND fuel pressure). NOTE: THE WALBRO F90000274 AND F90000267 FUEL PUMP FLOW RATES AND PHYSICAL DIMENSIONS ARE IDENTICAL. Fit the sock supplied onto the new fuel pump and fit the clip to prevent it falling off . First, screw in both lowend & highend needles all the way then unscrew to about 1 3/4 to 2 turns out each. The main thing I have really noticed since this problem started is a major change in sound with the Walbro fuel pump I got. Features Typical application: up to 25 horsepower Suitable for 2 or 4 stroke engines Gasoline fuel compatibility with optional levels of ethanol resistance More Information Offers a plethora of pumps to choose from. Note: IF the FRPS value is accurate then look at a problem with the fuel pump as 17 PSI is WAY too low (should be 40 PSI). Find helpful customer reviews and review ratings for Walbro GSL392 Fuel Pump at Amazon.com. My almost new Walbro 255 went out the other day. 3. Antique. These pumps REQUIRE an aftermarket FPR, larger . If you're still running stock E30 fuel pressure (~40psi) then that doesn't draw too much current either. Now I'm on the fuel pump. And after starting her up, it the car idle'd really bad, went into 15-15.5 afr's. It stumbled alot, but after driving it for a few blocks the idle got better and no more hesitation on the low end. I installed the walbro 255 fuel pump in my 91 honda civic. Motorsport Event Calendar Walbro has been making OEM pumps and aftermarket pumps for many years. Well, I just recently switched to running 50/50 E85/91, so a natural question was, "Did the E85 cause the . The LS1 "sump" returns fuel to keep the fuel pump submerged at all times. You might want to check that the filter on the bottom of the pump is O.K. Was told to keep venturi size to between 9-11mm. PowerCobra98 said: Yes you can. The guy at my local hot rod shop said the same thing, a lot of them have problems with cavitation, and that they need like a -8 or -10 feed line, even though the threads on the inlet are only 10mm. You can also note that all companies offering fuel pumps are now offering Walbro 525 pump since we posted this article. Boost is fine, it never flucuates on my gauge, and as far as I can tell no leaks. Walbro is one of the better pump manufacturers. The warehouse should have the pumps by the middle of November. Age. Maybe the pump is overpowering your regulator causing it to jump from no pressure to full pressure. Small hammer 5. Only show this user . Nov 7, 2003. hello i bought a walbro 255lph fuel pump off e-bay for my 1990 240sx with sr20det i undid my old fuel pump pulled everthing apart inststalled the new 1 soon as i seen it it looked very diffrent the old pump has a plastic tube going into it and the new 1 dose not have that so i'm like whatever so i unplug it splice new 1 in use the crimps drop her First I dropped the fuel tank by removing the 3 hoses and 2 electrical connections. Twin OEM pumps, as said, are a very good option. Engine Conversions - Walbro carb venturi specs - Trying to match a Walbro carb to my converted Ryobi motor. Also, Fuelab Prodigy or the Aeromotive A1000 are usually the top choices for higher HP trucks. Then after it clicks again the voltage dropped to around 6-7 volts. 2. I took down notes for future reference for someone who experiences a failed Walbro fuel pump. great product!!!!! I'm thinking the walbro pumps need bigger fuel lines to run right. I also installed an AEM hi flow fuel filter, Walbro 255lph fuel pump. Looks like I need 58+ lbs according to the web. Tools 1. Installation was a cinch. Base gasket could be improperly installed, blocking the pulse opening. ive seen lots of people squash these onto the bottom of the tank or bend the pipe as they install them, remember a walbro is not a lift pump it is very good at pumping pressure but not great at pulling fuel into itself you need to make it easy for the pump to do that If the arrows indicate the direction gas should flow, I'm pretty sure it was installed backwards before I removed it. The Walbro is much smaller.Take the new fuel pump and place the new filter on the bottom.Place the fuel filter retainer on the tab after the fuel filter. Oct 28, 2004. pittsburgh, Pennsylvania. The symptoms were that after 30 minutes of good performance on Saturday morning, and then the engine would lean out under moderate load ( 40kpa, not even boosting). enginjoe. 11 Posts . This genuine Walbro 255 LPH high pressure in-tank fuel pump can support over 550hp (at the crank) when supplied with 13.5Volts (normal voltage is 14.2 volts with the engine running). Nov 10, 2015. And now the fuel . The "high pressure" pump is able to move a higher volume at higher pressures (when you are running higher boost). A common issue on the Walbro pump is bearing failure. I highlighted the arrows with a felt tip pen. Aug 5, 2008 The two incidents happened two weeks from eachother. I did not get a check valve with my kit, and I do not know if the Walbro pump has one inside. These particular pumps flow significantly more fuel at higher pressure. Walbro doesnt have a very good overall reputation for their diesel applications. This fuel pump is typically located In-Tank. You are here. Jun 1, 2011. The standard 5CA400HP produces 267 LPH at 40 PSI and 245 LPH at 60 PSI (at 13.5 volts.) Fits: 1995-1999 Dodge/Plymouth Neons. Took out the old pierburg and got one from local moomba house, which is apparently now A GSL392 part number from walbro. I just dont want to buy a pump. So I presumed it was a faulty fuel pump (Walbro GSL292 with 100 micron pre & 10 micron post filters -AN6 connectors and lines) so I ordered a replacement and fitted this week, I turned the key on and instantly the new pump made the whining noise and the engine suffered the same issues. Then it dont fix, then a fuel regulator and nothing, then a MAS or the CAS or what the hell else. Fuel filter. Inline fuel pump pressure problems walbro 255 2004 5.3 LS with truck intake showing 52 lbs at the shrader valve on the fuel rail. This kit is the complete Walbro high pressure fuel pump thats rated at 255 liters per hour, and it's the in tank style module. Prices are reasonable. ! The high and low pressure 255s perform the same at low pressures. I installed a real and brand new walbro 255 gss342 fuel pump about 2 months and a half ago. i don`t know the exact bsfc number for a v-rod but it . Walbro in-tank electric fuel pumps utilize a proven gerotor design. Try to increase the values in the hi throttle map in the S-AFC. The other yel-blk wire coming from the ecu measured around 13v constant. hd tech told me that all the v-rod fuel pumps are rated 38 lph at 58 lbs. The 540 inlet filter fits directly on the bottom of the pump. It was the crappy factory fuel pump wiring or connections. . -Robert I have a Skunk 2 composite fuel rail, AEM FPR, fuel pressure gauge mounted on my fuel filter. The Walbro. Pic8. The Walbro Pump is the most popular, but its life span is limited. The top reasons for fuel pump failure are contamination, overheating, and the gears in the the fuel pump wearing out over time. Review by Mike / (Posted on 2/19/2014) Write Your Own Review. What have you tried so far? Their first FI pump was a 190 ltr/hr pump. Remove the fuel pipe from the pump and disconnect the wiring multi plug, the fuel pump can now be completely removed. Had to splice new terminals onto pumps wires to fit the new pump then I ran in to the . Thanks 8/24/2020 DDepew, Window and door installation Manager 91 Satisfied Customers All fuel first passes through fuel injectors and a fuel pressure regulator which only send the required amount of fuel into the intake manifold, sending the unused fuel back to the fuel tank. 64 reviews OEM Replacement Fuel Pump Assembly For 2013-2019 Polaris Ranger 900 XP Crew Replaces 2204852, 2521196 $179.99 24 reviews Fuel pump assembly for Polaris 14-20 RZR XP 1000, XP 4 1000, 15-20 RZR 900 Replace # 2208323 and 2205502 $179.99 19 reviews FPF Fuel Pump For Yamaha ZUMA 125 2009-2015 replace OE# 5S9-E3907-10-00 $110 10 reviews Notes. Adjust the topend needle for peak RPM. Go to full throttle. All the walbro pump units i have ever seen have are a single unit fully encased in the submerged case/sender unit. Could still be a blockage under a welsh plug. Hey I have the same problem - I also get a prolonged crank/start symptom only in winter after my car sits overnight. 8mm socket 4. Walbro fuel pumps do not have a warranty, if you would like a fuel pump with a 1 year warranty you can purchase any of our TREperformance . 2003-2005 Dodge SRT-4. The problem is with the factory LS1 fuel pump sump return. I measured the yel-blk wire going from the main relay and the fuel pump at the relay and at the pump with the key ON and they both came out at around 11-12 volts right when the main relay clicks. If its producing insufficient pressure its probably the armature (scored) which can be replaced, but if that not moving (or making noise) at all its probably the magnet portion which you can see is permanently sealed and thus is non-repairable to the best of my knowledge. but not when over 100 psi because the fuel heats up and can cause problems. Not sure when the build date is on your Cobra, but the 98's have the upgraded fuel system. TriniTuner.com | Latest Event: Home; News & Events. Some days all is fine 80% of the time it will start cutting out after a few miles driving. I put a Walbro 255lph intank pump in mine, replacing the stock pump. Reactions: houtan . 2000-2005 Dodge/Plymouth Neons. Walbro 155 Lph Fuel Pump. Can someone give me an initial needle adjustment for the high and low needles. So far I have done the following: Boosts the performance of your vehicle to unseen and unheard of power. SPONSORED. (Pedal position) Kenne Bell has 1,000's of customers running boost a pumps. I finally installed it tonight. The ignition timing settings in the ECU.
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