Question about 2003 Chevrolet Silverado 1500
I had the same problem with my 2005 Chevy Silverado 1500 5.3 4x4. It sounds like the 02 sensor.I believe there are 4 .My was the upper left bank. I had my done at the dealer and they diagnosed it with a scan test.
Posted on Jan 11, 2009
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Posted on Jan 02, 2017
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