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Thread: Help with 2000 corvette

  1. #1
    Potential Tuner
    Join Date
    Sep 2010
    Posts
    1

    Help with 2000 corvette

    I just purchased mpvi2 without the pro option. And am needing a little help. We did a couple of runs in his vette. Logs are attached below. Car is a stock 6 speed car with a k/n air filter and the cats are gone. You can see in the first log with Light cruise is ok but any significant amount of throttle and the car bogs. By what I see in the logs the o2 bottoms out(like down to 24). We changed the fuel filter, did a fuel system cleaning and went out and did a short run by the house and that is the one with tc off. Did not notice a change at all. Does anyone have an idea where to start? His brother has a 2001 vette I'm going to scan this weekend and see what one that is running right looks like just trying to get some input from those more knowledgeable than I (that will not take much right now LOL)

    Thanks
    Attached Files Attached Files

  2. #2
    Senior Tuner
    Join Date
    Jun 2004
    Location
    405
    Posts
    2,287
    Put a fuel pressure gauge on the rail with a hose long enough to tape the gauge to the windshield and go do a WOT run and I thnik you will find your problem.

  3. #3
    Tuner
    Join Date
    Dec 2018
    Location
    Washington State
    Posts
    182
    You need to add fuel everywhere. check fuel pressure first as 2xLS1 said.