Diagnostic Aids
WARNING: This page is about a different car, the 2006 GMC Yukon XL, 2006 Chevrolet Suburban, and 2006 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Performing the Fuel Injector Coil test may help isolate an intermittent condition. Refer to Fuel Injector Coil Test .
- For an intermittent condition, refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.