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Thread: Drive Cycle

  1. #1

    Drive Cycle

    I'm trying to get my car registered and I can't seem to get it to complete the drive cycle. I'm thinking that when my car was tuned they turned off the some some of the O2 sensors. My question is what does the check represent, on or off? I'm new to the tuning scene and haven't quite figured out how to use my tuner.
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