Ignition Timing
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2003 GMC Sonoma, 2003 GMC Sierra, 2003 GMC Savana, 2003 GMC Safari, and 2003 GMC Jimmy. However, it is still accessible from the selected car via links, so may be relevant.
All models are equipped with an electronic computer-controlled ignition system. Ignition timing is not adjustable.