Circuit/System Verification
WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Observe the Engine Controls Schematic for the ignition module/coils, and review the Ignition System Specifications to verify the following concerns:
- The ignition modules/coils are correctly wired and connected
- The proper spark plug type
- The proper spark plug gap and torque
- The proper ohm values for the spark plug wires
Refer to Ignition System Specifications .