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Discussion Starter · #1 ·
I am having some problems with the car when first cranking/driving. It will bellow black smoke and run from 11.2-12.3 for a while. It will not boost the first time getting on it, but come to a stop...take off and it boost's fine. Vacuum is normal, and I cannot think what may be wrong. This ONLY happens during 1)Idle or 2)partial throttle...not WOT but gradual. Cruising the car is fine, 14.2 or so....acceptable to me. After a while, it seems to go away, NO CEL's either...I am stumped...maybe its the O2 sensor?

Jason
 

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Discussion Starter · #2 ·
BTW, WOT is fine....no problems whatsoever...just seems to happen in partial throttle/idling situations.

Jason
 

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It could be the AFM, i had a similiar problem in the morning on first cranks the car will run and idle like shit, maybe it was the moisture that builds up?
 
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