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2001 chevy tahoe p0332. already put a new knock sensor, change the wire
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CHEVROLET TAHOE 1996 DTC P0441 DIAG AND REPAIR MUST BE REPAIR TO PASS
The dreaded P0420 code.... | Chevy Tahoe Forum | GMC Yukon Forum
codigo p0420 chevy cobalt 2006 - YouTube
2001 chevy Tahoe p0332. Already put a new knock sensor, change the wire
Chevy Tahoe P0440: Evaporative Emission Control System Malfunction