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I have replaced the fuel pump three times, is it an electrical problem

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There is an electrical fault inherent within. Have you tried a scan?

I recommend a scan this time around after replacing the fuel pump.

Take care. I love your car.

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Posted on Jun 04, 2009

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Could be electrical but most of the time the pump needs to be replaced with a gm pump.

Posted on Jun 04, 2009


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Fuel pump doesnt start up every time-2004 chev malibu

The fuel pump is turned by the PCM - engine computer controlling a relay . When you turn the key on ,not trying to start it , just on ,the pcm will only energize the fuel pump for two seconds . This is just to prime the fuel system. When cranking the engine the PCM will only energize the fuel pump relay if it sees an input from the crankshaft position sensor . Test the fuel pump electrical circuit .
GM Fuel Pump Relay Testing

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2003 escape 2.0l no start. Will run with starter fluid. No power at fuel pump.

There are two relays you need to check out, also, check the fuses. Fords also, usually, have an inertia switch you can check. Your owners manual should give you the location.

fuel pump 1-p245n2hujucephuw5k1ysfrz-1-0.jpg

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Feb 19, 2017 | Cars & Trucks

1 Answer

How to install a fuel pump in a 1989 Mercury Grand

Should take you the better part of a weekend afternoon:
  1. Depressurize the fuel system, either by removing the fuse for the fuel pump or by disconnecting the plug from the Inertia Switch, then start the vehicle and let it run until it dies (usually it will run for less than three seconds before the fuel pressure drops to 0). I also recommend draining as much of the fuel from the tank as possible, and use that fuel in your lawn equipment (do not put it back into the vehicle).
  2. Disconnect the negative battery connector.
  3. Support the fuel tank with a hydraulic jack, and remove the two nuts securing the fuel tank straps. Once the tank is loose, lower the tank carefully.
  4. When they are visible, remove the fuel line, the return line, the vapor line, and the electrical connectors to the fuel level sending unit and the fuel pump.
  5. Remove the tank completely once all connections are disconnected.
  7. Remove retaining ring from the "hanger assembly," and remove the fuel pump hanger assembly from the tank. The fuel pump can then be removed from the fuel assembly.
  8. Once you remove the hanger assembly, look at the intake screen (also known as the "fuel sock). If it has significant rust in it, DO NOT WASTE TIME - REPLACE THE ENTIRE FUEL TANK (you can find them online for about $110). Don't waste time replacing fuel system components if your fuel tank is rusted!!
  9. BE SURE TO REPLACE THE INTAKE STRAINER (fuel sock), even if you do nothing else.
  10. Reverse procedure to reassemble. You may need to get a new "locking ring" for the hanger assembly (cheap)
  11. Reconnect everything, and hoist the tank back into place. Use NEW FUEL (start with about 5 gallons).
  12. Reconnect the negative battery cable.
  13. To repressurize the fuel system, turn the key from OFF to ON, count to five, turn the key back OFF, count to five again, then immediately do the same thing three more times. The fourth time, you should be able to START the vehicle.

Sep 05, 2014 | Cars & Trucks

2 Answers

It will not start. We changed the fuel pump three times. Each time the new fuel pump will not hum or buzz when you turn the igntion.

Did you check the fuel pump wiring harness, fuel pump ground , power to the fuel pump, fuel pump fuse , fuel pump relay

Oct 18, 2009 | 1999 Chevrolet Venture

1 Answer

I have replaced the fuel pump three times. why

The time frame in which you replaced it 3 times would help.

The fuel pump failing is a common problem for these trucks. The aftermarket version of fuel **** are not designed for longevity, you can almost expect to replace them bi-yearly. With that said, do your best to get a OEM replacement pump...will save you time and money in the long run.

My beater is a 94 Jimmy, it is on fuel pump I feel your frustration.

Mar 24, 2009 | 1994 GMC Jimmy

2 Answers

05 Chevy Malibu Maxx suddenly turns over and wont start...

Wiggle the ignition key and find out if the gas Gage and the tachometer quits if it does its the ignition switch

Feb 03, 2009 | 2005 Chevrolet Malibu

1 Answer

1993 ford escort wagon,no electric to injectors

The fuel delivery system uses an electric fuel pump to provide high-pressure fuel to the fuel injectors. The fuel pump is located at the rear of the vehicle, mounted in the fuel tank. It can be accessed by removing the rear seat.

The fuel tubes leading from the fuel tank to the engine are under pressure during vehicle operation. When the engine is turned OFF, the fuel in the fuel tubes remains pressurized for long periods of time to provide quick start-ups. Fuel not used by the fuel injectors during operation is routed back to the fuel tank through the fuel return tube.

The fuel handling components are protected by three fuel filters. A replaceable in-line fuel filter is located inside the engine compartment between the fuel tank and fuel injection supply manifold. A serviceable filter screen is located inside the fuel tank at the fuel pump inlet. A non-serviceable filter screen is incorporated into each fuel injector.

I can get you trouble shooting tips if you want them.

Nov 18, 2008 | 1993 Ford Escort 4 Door

1 Answer

Cranks but no start

yes there is a fuel regulator but i will recomend you to inspect and or replace fuel pump relay, and fuel pump fuse, also have some one to be close to the fuel tank and turn the ignition switch on, he or she should be hable to hear the fuel pump coming on for 2 or three seconds, if not there is an electrical problem, posible fuse, or relay, but if it does then repace the ignition module inside the distribuitor

Jun 17, 2008 | 1993 Chevrolet S-10 Blazer

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