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Re: GM purge valve strategy
Posted to Technical Discussion Forum on 9/27/2008

I forgot to mention, the car has no misfires, the maf has been cleaned, the vacuum @ idle is 19in hg and increases with rpm, so I think the cat is okay. I failed to test the torque converter lockup, my bad. I was just concerned that the LTFT was -13. the custo... Login to read more.