Chevrolet Code P1366 – Ignition Control Cylinder 6 Does Not Switch After Activation

Chevrolet P1366 Code Description

The Chevrolet P1366 code indicates a problem with the ignition control cylinder 6 not switching after activation. In simpler terms, this means the engine control module is not receiving the expected signal from the ignition coil of cylinder 6, which can lead to misfires and inefficiencies in the combustion process. This can result in poor engine performance, reduced fuel efficiency, and increased emissions.

Common Causes of Chevrolet P1366 Code

NOTE: The listed causes may not be a complete list of all potential issues, and there could be other causes.

1. Faulty ignition coil for cylinder 6
2. Damaged wiring harness leading to cylinder 6
3. Worn spark plugs for cylinder 6
4. Faulty engine control module

Symptoms of P1366 Chevrolet

1. Irregular engine idle
2. Engine misfires
3. Difficulty starting the vehicle
4. Engine stalling while driving
5. Reduced fuel efficiency

How to Fix Chevrolet P1366 Code

1. Diagnose the specific cause of the issue using a scan tool to identify the faulty component.
2. Inspect and potentially replace the ignition coil of cylinder 6.
3. Check and repair any damaged wiring harness leading to cylinder 6.
4. Replace the spark plugs of cylinder 6 if they are worn.
5. If necessary, troubleshoot and potentially replace the engine control module.