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2000 Tahoe 5.7 misfires on grade

Discussion in 'Chevy Tahoe Forum (GMC Yukon, Cadillac Escalade)' started by tahoe56, Sep 17, 2012.

  1. tahoe56

    tahoe56 New Member

    My 2000 Tahoe 5.7 misfires when driving hwy speed when driving up long hills or grades, it will recover and run fine when I let off gas for 5-10 seconds. I have replaced plugs, wires dist. cap, new air filter, cleaned throttle body and mass air. It used to do this only when pulling a boat up a grade, but now does it without pulling anything

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