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Changed UIM gasket

01GrandPrixTURBOGT

01GrandPrixTURBOGT

New member
So I change my upper intake gasket cause I had a vacuum leak and when I went to start it after a big cloud of white smoke puffed out of the exhaust. My ltft goes up and down from -22 to 15 but mostly stays negative while cursing or idle. It runs fine but when idling it sounds like its getting to much fuel. Any ideas?
 


All I have is an aeroforce scan gauge I want to get something but hptuners is a lot and I've just got a new motor so I've gotta pay some of that off.
 


If I drive it normal with it bouncing from rich to lean could I blow a piston ring or damage anything? I don't have any kr and at wot the ltft goes to zero
 
PCM been in long? Sounds like it's still learning a bit. Zero at WOT is good, it's the trims that cause issues. (See DH, I listen...)
 
I've put about 200 miles on the swap it sat for a few months when I spun a bearing so it hasn't been drove much. When I drive it now thought the ltft will be like -15 -10 sometimes then 3.2 to 5 sometimes more each way or less.
 


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