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    I have a 2006 chevy silverado 4x4 with a 4.8 motor. I had a check engine light come on for knock sensor and i had a bad hesitation on acceleration from a stop. 1/2 to 3/4 throttle and it falls on its face sort-of-speak in gear or in park. I replaced both knock sensors and intake manifold gaskets. I have also ran fuel injector cleaner and i am now runnin higher octane fuel with a new cold air intake. Now it only has a hesatation when in gear from a dead stop and i give it 1/2 to 3/4 throttle it s

    0  Views: 225 Answers: 1 Posted: 14 years ago

    1 Answer

    Check timing chain if not done.



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