2003 CHEVROLET MONTE CARLO
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Check engin lite is on was told O2 sensor bad so changed the one on the exhaust manifold at the back of the motor.drove the car about 60 miles lite back on .Is there more than 1 sensor and where are they?
Mar 16, 2013 at 4:25 PM
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ASEMASTER6371
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who told you it was bad and why???

what is the code?? they do not fail that often

code numbers never identify bad parts, just failed systems

Roy
Mar 16, 2013 at 5:03 PM