Question about 1997 Chevrolet Malibu

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Fuel pump will not come on

Replaced fuel pump and the new one will not start up either.

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Fuel pump fuse, fuel pump relay, Wiring to tank, no signal from cpu to pump relay.

Posted on Jul 30, 2008

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I install a new fuel pump and now the car wont start.


Did the car start before you installed the new pump?
Did you have fuel pressure?
Do you have poser to the fuel pump?
Do you have a good ground at the fuel pump?
what engine do you have?
Why did you replace the fuel pump?

Apr 17, 2016 | 2001 Hyundai Accent

1 Answer

We have replaced fuel pump in a 98 ego metro LSi drove home ran fine. Now it won't start any ideas why it won't start.


Pam, was the fuel filter replaced at the same time that the fuel pump was replaced? If not, replace the fuel filter. Often, the filter will get clogged with debris. When that happens, the fuel pump will be ruined. Replacing the pump without replacing the fuel filter can ruin the new pump. It is also possible that your new fuel pump is defective. Now that most replacement parts are made in China and the third world, there is virtually NO quality control. I'm a professional mechanic and defective brand new parts are a BIG problem in this industry. Was the fuel pump relay replaced when the new fuel pump was installed? Always install a new relay, as a failing [your old] fuel pump will often damage the relay. This will cause problems with the new fuel pump. I would advise that you install a fuel pressure test gauge to the engine. This will allow you verify whether or not the engine is receiving enough fuel pressure. If the pump works but the pressure is low, also check the fuel pressure regulator. The web links below should help you.


How to Check for Fuel Delivery in Geo Metro eHow

FYI, there is also a "sock" style pre-filter on the fuel pump. This also needs to be replaced any time that you replace the fuel pump.

Mar 13, 2015 | Cars & Trucks

1 Answer

1989 ford f-150


If the fuel pump(s) run while the pressure is falling, replace the fuel pressure regulator and (although I'm sure you've already done this), replace the fuel filter. If the fuel pumps appear to be turning off by themselves, replace the inertia (fuel cutoff) switch.

Apr 13, 2014 | Cars & Trucks

1 Answer

Rodeo89 cranks over but will not start put fuel down air filter tube and starts for a second or two but by turning the key will not start


SOUND LIKE FUEL PUMP FAULTY. BUT FIRST REPLACE FUEL FILTER REPLACE FUEL PUMP FUSE OR RELAY .DO THE MINOR REPAIRS BEFORE BUYING NEW FUEL PUMP.

Aug 12, 2011 | 1991 Isuzu Rodeo

2 Answers

Fuel pump needs to be replaces on 2000 Chevrolet suburban, do I also need a new filter, relay and induction?


Do you know for sure that the fuel pump failed or do you have a bad relay? If the fuel pump relay is good no you don't need to replace it. The fuel pump unit comes with the sending unit and a sock filter. I would replace the inline fuel filter when you replace the pump. In line fuel filters need to be replaced every 36000 miles. If that filter starts to plug up it makes the pump work harder which leads to premature failure.

Jan 17, 2011 | 2000 Chevrolet Suburban

1 Answer

When I turn the key in the ignition I don't hear anything and my car won't start. I tested the started and it is fine. I replaced the ignition switch. Could it be my alternator or my neutral safety switch...


no. the noise you're not hearing is the fuel pump. When u turn ur key on you should hear a buzzing like sound from the rear of the vehicle. If not, and ur car don' start, probably fuel pump. Just to verify the faulty fuel pump, have an assistant open the fuel tank cover and remove the gas cap itself. With you inside turn just the key on, and have your assistant listen for the "buzzing" or "hummin" sound. if nothing there, then faulty fuel pump. If noise is present, then perhaps you have a different problem like nothing is reaching the engine, fuel wise. Like a plugged fuel filter. when replacing the fuel pump, ALWAYS do the new strainer as installing the old one could cause a whole new set of problems and eventually wipe out the new one as well *RULE OF THUMB, WITH NEW FUEL PUMP, REPLACE FUEL FITLER.* this will be easier on the pump output to the engine. good luck.!

Aug 24, 2010 | 1994 Jeep Grand Cherokee

1 Answer

New fuel pump not getting power


you nheed to check each individule wire you prob. have a short in one it happen on 89 chevy with me just splice it and bypass it

May 05, 2009 | 1994 Plymouth Voyager

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