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Oxygen Sensors
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Grand Am SE

Where is the oxygen sensor on a 1997 Pontiac Grand Am 4-cylinder?


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2005-08-15 22:57:55
2005-08-15 22:57:55

If it is anything like the '96 Grand Am, it is located under a cover between the engine and firewall. The cover has 3 bolts in it. Remove the bolts and the cover and you will find the O2 sensor (front - the other is just after the catalytic converter.) You will need a 7/8" wrench to remove the part.


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The oxygen sensor on a 1996 Pontiac Grand Am is found near the catalytic converter. It will be place on the piping which leads to the catalytic converter.

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The 1991 Pontiac Grand Prix oxygen sensor is located on the outside of the air filter housing. You will find the sensor on the back side of the air filter housing.

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To answer this i will need to know whatsize engine you have.

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