tahoe idle rough 08 2008 ppv

  1. B

    08 Tahoe idle surge at low idle. HELP

    I have a 2008 tahoe 2wd PPV with 240k miles. Not always but at least 6 times a day while in gear at a stop light the idle will drop from 600 to 300 and kick right back up to 600 and act like it never happened. Feels like it wants to stall but doesnt. The only thing the dealership can tell me is...

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