CHEVROLET

PIP5237

2014-10-30 · NHTSA 10135357

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 a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0133 and or P22FA. Technician will need to inspect Heated Oxygen Sensor and the Oxides of Nitrogen Sensor 1 for soot build up. If the sensors are covered with soot replace both sensor should be replaced. Also tighten the air cleaner outlet duct to positive crankcase ventilation heater housing using welding wire. Technician should also ensure all five hose clamps between the air cleaner box and the turbocharger are tight.

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.