Question about 1999 Honda Accord

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1999 Honda Accord won't start. No fuel pressure, so replaced the fuel pump. Still no fuel pressure, tested old fuel pump it seemed to work fine. Can not locate the main relay?

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  • Kevin Thompson Aug 04, 2010

    I found the relay - driver side of steering column up under the dash. Tested it and it seems fine. Clicks once then again in a few seconds when you turn the key to the on position. Still no fuel pressure or sound from the fuel pump. Could it be the ignition switch?

  • Kevin Thompson Aug 10, 2010

    Found the problem. A mouse/rodent had chewed the wires into leading from the fuel pump to the relay. Lucky that it was in the trunk and not somewhere inaccessbile.



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The relay may be located in the under hood fuse/relay box.
Check your manual for the location of the relay, if listed.
Check for a sticker on the inside of the under hood fuse/relay box for a possible guide.

Posted on Jul 31, 2010

  • 2 more comments 
  • Duane Wong
    Duane Wong Aug 04, 2010

    If you found the relay clicking it could still be a relay, with burnt contacts. It could also be a wire going between the relay and the pump.

    That's good that you tested the old pump and it seemed to work fine.

  • Kevin Thompson Aug 10, 2010

    Found the problem to be damaged wiring in the trunk leading to the fuel pump. A mouse or some such had chewed two of the wires in to and damaged the third one. Blessed that it was in the trunk and not some place inaccessible.

  • Duane Wong
    Duane Wong Aug 10, 2010

    I'm glad you found the wiring problem- a rat chewed through it. Cheers.

  • Duane Wong
    Duane Wong Aug 10, 2010

    Something similar happened to our car once and a mower once where a rodent or some creature actually chewed through the wires that made the car not start or run out in a house that was near some farmland. lol.

    I sometimes wonder why a creature would chew through a wire or wires.

    I hope your Honda pump is fixed now that you determined that it was wiring that was broken.

    Have a good day.



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1999 honda accord blown acg fuse everytime i put a fuse in it blows

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