Discussion in 'Chevy C/K Truck Forum' started by Arbitert343GS, Jun 1, 2013.
Take the HEI ignition module out of the distributor and have it tested at your local parts house.
you also might wanna clean your throttle body, I had the same issue, until I cleaned my throttle body and replaced the IAC
Any luck diagnosing the culprit?
Just wondering what the IAC is that you changed.
Idle Air Controller
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