CHEVROLET, GMC

PIP5227

2014-09-24 · NHTSA 10112250

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Manufacturer summary

Original wording in English

This Preliminary Information communication provides information to the technician about vehicles that may have Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0171 and P0174. Technician will need to check the ethanol content of the fuel with the J44175. If the fuel tested over 10% alcohol, determine if the vehicle is equipped with Regular Production Option Code (FHS), If not flush the fuel system and add E10 gas.

Repeated filings are grouped only when make, bulletin number, publication date and complete summary agree. Original record numbers are retained. Older publications remain available, and an explicit later version is shown when established. Pre-1994 vehicle associations are separated from default results; an unspecified year does not mean all model years apply.