Help - Does anyone have the service manual spec for the idle rpm on a 2012 LS (after warm up)? From my scan tool the idle in neutral is 720-730 rpm and in drive it's 780-800. Yes, lower in neutral. I find the car wants to creep forward against the brakes when stopped. The dealer says nothing wrong but has not given me what the idle specs are. Additionally, is the idle adjustable, if so how?
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