Quote Originally Posted by BowlingSS
Quote Originally Posted by jfpilla
Why ECT? The PCM uses IAT and ECT to affect A/F.

I've never used the table, so I'm just guessing that you would add air when A/C causes stumble. Since it's a direct additive the temp. tables would provide the rest. :roll:
I am using B4307 Idle Airflow Table.

Bill
Bill,
It doesn't matter. The tables are all related in their affects. That's what makes getting it right so hard. See B4901, for example.
Joe