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Engine misses while driving and poor gas mileage

Discussion in 'Chevy C/K Truck Forum' started by Arbitert343GS, Jun 1, 2013.

  1. Take the HEI ignition module out of the distributor and have it tested at your local parts house.​

  2. micknice27

    micknice27 New Member

    you also might wanna clean your throttle body, I had the same issue, until I cleaned my throttle body and replaced the IAC
  3. jsmith4816

    jsmith4816 Member 2 Years 100 Posts

    Any luck diagnosing the culprit?
  4. baumann6

    baumann6 New Member

    Just wondering what the IAC is that you changed.
  5. micknice27

    micknice27 New Member

    Idle Air Controller

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