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  • short circuited wire?

    94 3.4l firebird

    this only happens when the engine is hot, but i can see blue sparks coming from the end of one of my plug wires. the engine does stumble when i hit the gas and i'm thinking that this might be the cause of the problem. when the engine is cold it runs perfect though. so do you guys think it's a shorted wire and i need to replace it or could it be something else.
    no codes thrown yet.

  • #2
    Re: short circuited wire?

    how many miles on the wires?
    I'd change them...

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    • #3
      Re: short circuited wire?

      there's only about 20k on the wires, but they're crappy "opti-spark" wires

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      • #4
        Re: short circuited wire?

        replace the wires that are arcing
        2000 3.8 A4 Pewter Camaro

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