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Thread: 2002 4.3 misfires at above idle

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  1. #1
    Join Date
    Jan 2012
    Location
    DFW, TEXAS
    Posts
    594
    check timing, fuel pressure

  2. #2
    Join Date
    Aug 2012
    Location
    Bartlesville,OK
    Posts
    23
    I had the same problem and it was because of a cheap cap and rotor from autozone I went and bought an oem set and it fixed it

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