motocross808 Posted August 6, 2010 Report Share Posted August 6, 2010 i have a similar prob... I just put a smaller pully on my 03 ss its procharged.. i got it tuned and at wide open my check engine light comes on and my air fuel guage runs really lean bouncing everywhere... if you shut teh code off it will run fine until you pin it. i know i need a new MAF sensor but i was told it would cost 350 to have one made for my truck is this true... any other options.. i am running a front mount intercooler i dont no if that is why. any help thankss Quote Link to comment Share on other sites More sharing options...
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