Quote:
Originally Posted by prodjay10
MAF is connected but not taped to throttle body. I have seen videos on the line that show an engine starting, running and idling fine with out the maf.
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This is likley your problem, I'm surprised you got it to run that good. It will run better without the MAF hooked up at all, which is what you were seeing. If the MAF is hooked up, but not hooked to the throttle body, it will be sensing the completely wrong amount of air going in the engine so the PCM is dealing with false information. Either unhook it or better yet, tape it to the TB and it should run a lot better.