Circuit/System Verification
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
Verify the following conditions. Refer to Spark Plug Wire Inspection , and Ignition System Specifications .
- The ignition coils and spark plug wires are correctly connected
- The spark plug wire resistance is within specifications
- The correct spark plug type
- The correct spark plug gap
- The correct spark plug torque
- If a condition was found
Repair or replace as necessary.
- Go to next step: If a condition was not found
Go to next step: Refer to Circuit/System Testing.