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.
- Engine - Cranking - For 10 s
Verify the function: Engine = Running
- If the function does not work
Refer to: Circuit/System Testing - Test 1
- Go to next step: If the function works
- If the function does not work
- Ignition/Vehicle - Off
- Verify the condition does not exist: Fuel - Contaminated/Poor Quality - Refer to: Contaminants-in-Fuel Diagnosis
- If a condition exists
Repair or replace as necessary.
- Go to next step: If no condition exists
- If a condition exists
- Engine - Running
Verify the following conditions do not exist:
- Engine - Misfire/Stalling
- Engine Power - Low
- Exhaust - Excessive Smoke
- Idle Speed - Unstable
- If a condition exists
Refer to: Circuit/System Testing - Test 2
- Go to next step: If no condition exists
- Refer to: Symptoms - Engine Controls