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Couple Technical Questions

Discussion in 'Chevy C/K Truck Forum' started by Dustin LaRoche, Oct 18, 2012.

  1. Dustin LaRoche

    Dustin LaRoche New Member

    I have a 93' 4.3L and the Idle Air Control valve continually gets fouled up to the point of needing cleaned.

    What causes the IAC valve to become like this?


    Also, should I be able to wiggle the output shaft of a 4L60E transmission?

    Thanks!

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