1999 Chevy Silverado O2 SENSOR

1999 CHEVROLET SILVERADO
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DTHOLLY
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Engine Performance problem
1999 Chevy Silverado V8 Two Wheel Drive

Where are the oxygen sensors located on the
above mentioned Truck?
Jun 18, 2010 at 9:40 AM
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INTERNETMECHANIC
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If you have single exhaust, you have two, one before the catalytic converter and one after, in the exhaust pipe. If you have dual exhaust, two sensors on each side. My info didn't give a picture of location.
Jun 18, 2010 at 12:30 PM