GOT2B GM Posted October 1, 2006 Author Report Share Posted October 1, 2006 Well, I'm going to fill up the car with regular 87 octane, with the stock chip and stock airbox and see if it passes tomorrow. If not I'll pull all the plugs and clean/replace/re-gap them, and replace the O2 sensor. Quote Link to comment Share on other sites More sharing options...
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