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You have 2 o2 sensors. One is under the hood, forward side of the engine. It is the 3-wire sensor screwed into your exhaust manifold (covered by heat shield). If you follow your exhaust back from there, under the car, just after the catalytic converter, should be the other one.
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What component of the emission system on a 97 Nissan Altima will make it run rough?
o2 sensor
Where is the O2 sensor on a 1997 Cadillac Eldorado?
The '97 is OBDII. There are 4 different O2 sensors on the '97 Cadillac. http://www.airbagcrash.com
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The O2 sensor on any vechicle will be located on the exhaust manifold.
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location of 3 sensor of 97 Chevy astro van?
Fix a 97 Mercury Mountaineer cel p0153?
Try replacing the upstream O2 sensor
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