Question about 2000 Chevrolet Venture

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2002 Dodge Neon 20 amp FP/ASD fuse #21 keeps blowing

When it rains or snows, the fuse keeps blowing. So long as it is wet, the fuse blows! It has done this a bunch of times before and my mechanic could diagnose the problem. I slapped on a 30 amp fuse so I could get to work but I put back a 20 amp fuse after. Please help. It has 150K original miles and has been well taken care of...

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  • nevlyimo Feb 01, 2009

    Figured out it was a bad oxygen sensor that was stripped. Replaced and the car runs fine in the rain.

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  • Chevrolet Master
  • 6,674 Answers

It appears that it is part of the fuel pump circuit, so I would concentrate on wiring harness & connector at fuel pump, clean it real good, and apply dielectric grease to the connection, as well as the fuel pump relay, connector & harness.

Posted on Jan 31, 2009

  • Mike Butler
    Mike Butler Feb 01, 2009

    Bare spot on wire? Back to books/schematics to figure out how O2 sensor would cause that. Like i always said, when your working with electrical, should be, or normally, or logically can sometimes go out the window. Thanks for update, I think I/we need to store this one for reference. Go figure!

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SOURCE: 20 Amp FP/ASD Fuse #21 keeps blowing.

hmm. lt look like there are poor joints in your wiring specially the groung wire. check the diagram of your auto. check the unit diagram for which the fuse blows. usually the fuse blow when there is a short circuit. if you look around you will find it.
good luck
ehsan.

Posted on Oct 22, 2009

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1 Answer

Why asd fuse keeps blown


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20 Amp FP/ASD Fuse #21 keeps blowing.


hmm. lt look like there are poor joints in your wiring specially the groung wire. check the diagram of your auto. check the unit diagram for which the fuse blows. usually the fuse blow when there is a short circuit. if you look around you will find it.
good luck
ehsan.

Jan 20, 2009 | 2002 Dodge Neon

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