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68c10airstream · 05-31-2015, 10:46 PM

My thoughts on vacuum leak would be throttle blade would be shut and idle would be above target set point and long term fuel trim would be on the plus side. To be honest I haven't dealt with this scenario in a while but a guess as said earlier I suspect a software issue, but I always worked on stock applications.

05-31-2015, 10:46 PM	#8
68c10airstream Registered User Join Date: Mar 2013 Location: Marquette michigan Posts: 828	Re: Engine revs up when starting My thoughts on vacuum leak would be throttle blade would be shut and idle would be above target set point and long term fuel trim would be on the plus side. To be honest I haven't dealt with this scenario in a while but a guess as said earlier I suspect a software issue, but I always worked on stock applications.