Question about 1999 Chevrolet Silverado 1500

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Code p0141 02 Sensor Heater Circuit Malfunct Bank #1 Sensor2

Where is the Bank #1, Sensor #2 02 Sensor located on a 1999 Chevy c1500 pickup truck with a 350 (5.7) engine with automatic transmission? Thanks in advance.

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After the catalytic converter on the driver side in the exhaust pipe.

Posted on Jul 07, 2010

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You can doublecheck this at any library's computer because they have a nationwide license for the sw for all cars and makes and models. But offhand, they are usually down past the exhaust manifold. Some under the car. Some can have two for dualexhaust which could be yours. If it's never been replaced before now is a good time. They used to say replace them every 79k, IIRC.

Posted on Jul 14, 2010

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