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Re: 89 tbi running & starting problem
the IAC passages are clean and the IAC wiring and controller tests fine. As for what the IAC does I know. I also have replaced the hole throttle body with a new one.
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  Chris
67 c10 swb build in progress
70 c10 lwb driver pending parts for drastic overhaul
70 c20 lwb parts truck for above mentioned drastic overhaul
71 k20 lwb building for off road use and towing
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