Normally at idle the ECU will run in closed loop, so the mixture will vary around 14.7:1 Running in open loop and enriching the mixture to about 14:1 increases the idle speed.
The stock setting is slightly retarded at idle. Adding 3-4 degrees ignition advance to something like 20 degrees in the idle portion of the ignition tables increases the idle speed
Saturday, July 31, 2010
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