Question about 1997 Chevrolet Tahoe

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I have a 97 2 door tahoe. I have trouble starting it. It turns over but wont start right away. It takes about 8-10 seconds of cranking to get it to start. It will start right away if you push the gas down about half way but runs rough. Engine codes come up for o2 and misfire in clyn 3. I replaced plugs, cap,rotor, wires,fuel pump, and fuel filter.

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  • trommatizer6 Apr 26, 2010

    The check engine light does come on sometimes. The codes it gives is misfire in clyn 3 and the o2 sensor position 2. The trouble is when i clear the codes it stays off until i dont press the pedal to start it. If i press the gas the light stays off. It runs alittle rough at idle without the light on but with the light on it runs really rough. It drives and runs great on the road

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O2 is a sensor. You could try replacing the correct one (up to 4 o2 sensors are possible any given vehicle). If check engine light is still on, have the codes cleared, have scan performed again to get the fault codes for possibly the specific o2 sensor. Hope this is helpful.

Posted on Apr 26, 2010

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