Things added to the outside of the vehicle can affect the airflow around it. This can cause wind noise and can affect fuel economy and windshield washer performance. Check with your dealer/retailer before adding equipment to the outside of the vehicle.
Doing Your Own Service Work
FuelChevrolet Cobalt Service & Repair Manual. Idle Speed & Mixture Adjustments
Idle speed is controlled by the
ECM/PCM. No adjustment is required.
Curb Idle Speed
Curb idle speed is controlled
by the ECM/PCM. No adjustment is required.
Fast Idle Speed
Fast idle speed is controlled
by the ECM/PCM. No adjustment is required.
M ...