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718 Posts
Discussion Starter #1
cant figure out why my idle is jacking to 3k.

half the engine is disassembled, no power steering, no alternator, no intake, not even 1 o2 sensor plugged in.

my thoughts on the cause are:
pcv valve not installed.
IAC stuck.

please advise.
 

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I hit **** with sticks!
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37,432 Posts
PCV valve not installed would cause a huge vacuum leak, almost totally bypassing the throttle body idle air control. Start there.

"Half the engine disassembled" could be the issue too; if there is something else that could cause a vacuum leak...that is literally the only thing that will cause an extremely high idle...
 
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