Do I need to change my under the hood fuse box

Asked by Feb 23, 2014 at 05:03 PM about the 2005 Chevrolet Cavalier

Question type: Maintenance & Repair

My car is haveing difficulty starting, we have to give it gas now wich is a recent problem.
Also it will idle very fast or not fast enough to keep running. We recently found were this
grinding sound (almost like a blown speaker) was coming from. It's my fuel pump fuse
under the hood. Replacing the fuse did not help. What should i do?

11 Answers

1,535

Is it a fuse or a relay? a fuse will not make noise a relay is a box square

1 out of 1 people think this is helpful.

It's the second grey box from the left, it vibrated when it is making the sound.

1,535

Try switching them they should fit and try

1,535

Is the fuel pump noisy?

I tried to switch them and it didn't help. The fuel pump is quit. I replaced it about 8 months ago.

109,925

Those look burnt. If they are then replace them. Your idle issue could be a dirty/faulty idle air control valve. Or dirty throttle plate.

1 out of 1 people think this is helpful.

That's grease on them. Thanks for all your help.

109,925

Oh ok. If your idle air control valve is bad you will have to press the gas peddle some to get it to start.

1 out of 1 people think this is helpful.

Would the idle air control valve cause the fuel pump relay switch to crackle?

109,925

No but if it's making crackling sounds it's bad or it's connections under it are bad and need to be repaired or replaced. It should just make a light click sound when it's energized.

1 out of 1 people think this is helpful.
109,925

All a relay is is an electric switch that when energized it connects contacts inside it to energize other components. Any sound other than a click is a bad thing. Causes for a clacking sound could be bad/loose relay connections, bad relay and or a bad ground connection.(negative battery connection to frame and motor)

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