Engine and engine cooling: exhaust system
Chevrolet technical service bulletin PIP5110 for 2011-2013 Chevrolet Silverado, 2011-2013 GMC Sierra and 2011-2013 Chevrolet Express and others.
- Bulletin number
- PIP5110
- Component
- Engine and engine cooling: exhaust system
- Summary
- This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Code P0420. Technician will need to follow published Service Information diagnostics. Technician will check for a possible leak in the exhaust system behind the bank 1 sensor 2 O2 sensor. Technician will need to reposition the exhaust clamp or replace with a wider band clamp.
Owners of these vehicles have filed 51 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 2011-2013 201120122013
- GMC Sierra 2011-2013 201120122013
- Chevrolet Express 2011-2013 201120122013
- GMC Savana 2011-2013 201120122013
- GMC Sierra Denali 2011-2013 201120122013
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