Quote:
Originally Posted by Mike@N54Tuning.com
Idle instability is not uncommon on the N55 w/ downpipe. If setting FUA = 100 didn't help another thing to try is putting the MAF connector #3 back to stock leaving the JB4 MAF plug sitting out of the way. MAF data is read via CAN now and the physical sensor interception is no longer required. Sometimes that can improve the idle.
Mike
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Well it never did it before when I hadn't don't the ISO update. Ok I will try unplugging that connector.