Emission Modification Notice
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Modifications made to the following can affect the vehicle's emission controls and may cause the Malfunction Indicator Lamp (MIL), Check Engine or Service Engine Soon lamp to illuminate:
Replacement tires that do not meet the same Tire Performance Criteria (TPC) of the original tires can also affect the vehicle's emission controls. This may also cause the Malfunction Indicator Lamp (MIL), Check Engine or Service Engine Soon lamp to illuminate. Modifications to these systems or the installation of incorrect TPC tires could lead to repairs that are not covered by the manufacturer's warranty. This may also cause a required Emission Inspection/Maintenance test to fail.
- The engine
- The transmission
- The exhaust
- The fuel system
Replacement tires that do not meet the same Tire Performance Criteria (TPC) of the original tires can also affect the vehicle's emission controls. This may also cause the Malfunction Indicator Lamp (MIL), Check Engine or Service Engine Soon lamp to illuminate. Modifications to these systems or the installation of incorrect TPC tires could lead to repairs that are not covered by the manufacturer's warranty. This may also cause a required Emission Inspection/Maintenance test to fail.