Before Starting
WARNING: This page is about a different car, the 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
Before using this section, perform the DIAGNOSTIC SYSTEM CHECK - VEHICLE and determined that the following items are OK:
- The control module, malfunction indicator lamp (MIL), and check engine are operating correctly.
- There are no DTCs stored.
- The scan tool data is within normal operating range. Refer to Scan Tool Data List .
Verify the customer complaint, and locate the correct symptom in the table of contents. Inspect the items indicated under that symptom.