What would make the IAC jump.....

GNguy

U aint that big
Joined
Feb 25, 2005
Hey guys, I think I figured out what my problem was, The IAC is jumping at random and leaning out the motor. What would make the IAC jump? It randomly does it, I put a 62mm TB and Mease plenum(both used), could the throttle body be stuck open? It only does it after driving the car for long periods of time, should I just buy a new 70mm TB? thanks
 
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