90 honda accord erratic tach

Discussion in 'Accord' started by Gene Wagenbreth, Dec 11, 2007.

  1. Gene Wagenbreth

    Gene Wagenbreth Guest

    90 honda accord

    driving to work this morning and for 3 or 4 seconds the tach jumped
    up and down erratically. Never happened before. Only happened once.
    Engine ran fine while tach was jumping. No other sysmptoms. Speedometer
    seemed fine.

    G
     
    Gene Wagenbreth, Dec 11, 2007
    #1
  2. Gene Wagenbreth

    Tegger Guest


    Either:
    2) Your igniter is failing. Replace it before you get stranded. Or,
    2) the tach signal wire (blue wire) connector in the distributor is
    corroded and making intermittent contact.
     
    Tegger, Dec 11, 2007
    #2
  3. Gene Wagenbreth

    jim beam Guest

    to add to what tegger says, it could also be a defective tach. my 90
    crx had one. symptoms exactly as you describe. if you get a
    replacement from a junkyard, it's about a 10 minute job to put it in.
     
    jim beam, Dec 12, 2007
    #3
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