Question about 2003 Hummer H2

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From a dead stop I press the pedal down all the way rapidly and it will not accelerate. If I press it down at normal it accelerates fine even on the free-way.

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  • toneman2121
    toneman2121 Jun 01, 2010

    is there a check engine light on?

  • RAY GALLEGOS Jun 01, 2010

    YES, BUT I WAS TOLD I NEEDED TO REPLACE THE O2 SENSOR

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  • Master
  • 775 Answers

You have to find out what the code is

Posted on Jun 01, 2010

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