CHEVROLET, GMC
PIP5085
Manufacturer communications
- Publication date
- 2013-01-22
- Received by NHTSA
- 2017-08-15
- NHTSA record numbers
- 10112733
Manufacturer summary
Original wording in English
This Preliminary Information communication provides information to the technician that engineering is asking for additional information if SI diagnosis leads to replacement of the Indirect Fuel Injector for a P0420 Diagnostic Trouble Code. Technician should follow published Service Information diagnostics for Diagnostic Trouble Code P0420. Technician will need to also gather quantity of fuel flow measured, engine hours, type of vehicle, and estimated percentage of time the vehicle spends at idle.
Reported code forms
Check vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Chevrolet | EXPRESS | 2013 |
| Chevrolet | EXPRESS | 2012 |
| Chevrolet | EXPRESS | 2011 |
| Chevrolet | EXPRESS | 2010 |
| Chevrolet | SILVERADO | 2013 |
| Chevrolet | SILVERADO | 2012 |
| Chevrolet | SILVERADO | 2011 |
| GMC | SAVANA | 2013 |
| GMC | SAVANA | 2012 |
| GMC | SAVANA | 2011 |
| GMC | SAVANA | 2010 |
| GMC | SIERRA | 2013 |
| GMC | SIERRA | 2012 |
| GMC | SIERRA | 2011 |
| GMC | SIERRA DENALI | 2013 |
| GMC | SIERRA DENALI | 2012 |
| GMC | SIERRA DENALI | 2011 |