Question about 2003 Pontiac Bonneville

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Service engine light comes on and engine is missing. replaced coils, sparkplugs and wires and stopped for week then started again.how do you check engine computer

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  • toneman2121
    toneman2121 May 12, 2010

    what engine code is present

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If it only misses when the light is on or right after it comes on it is probably a bad oxygen sensor.

Posted on May 12, 2010

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