SD tuning and automatic, issues idling
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From: Port Tobacco, MD
SD tuning and automatic, issues idling I am trying to SD tune and automatic and for some reason it doesn't want to idle. A/F is pretty close but for some reason when you come to an idle it wants to drop really really low in RPMs and slowly work its way to idle RPM. Is there something I am missing or is there a parameter that needs to be disabled when SDing a auto?
Phil
Phil
only things i have found to cause that would be the idle timing transitions, idle airflow, effective area. after messing with those on my car and others it cleared up all the low idling issue, although you may have taken care of these already
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Thread Starter
7 Second Club
iTrader: (11)
Joined: Jul 2002
Posts: 8,758
Likes: 9
From: Port Tobacco, MD
Things I have noticed:
Timing is fine
Idle airflow looks to be very close
Effective area 0'd or with stock values have no difference in performance. Its something with the automatic.
Phil
Timing is fine
Idle airflow looks to be very close
Effective area 0'd or with stock values have no difference in performance. Its something with the automatic.
Phil
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