Cylinder 6 Injection Timing Performance Over Retarded

Common symptoms

What you'll notice

• Check and clean the fuel injectors for any clogs or blockages.
• Inspect and replace the ignition coils or spark plugs if they are worn out or faulty.
• Verify the timing belt or timing chain for proper alignment and tension. Replace if necessary.
• Check the fuel pressure regulator and fuel pump for proper functioning.
• Perform an engine compression test to ensure proper cylinder compression and consider replacing any faulty components.

Common causes

Most likely first

1. Faulty fuel injector in cylinder 6
2. Timing belt or chain misalignment or wear in cylinder 6
3. Faulty fuel pump in cylinder 6
4. Ignition system issue in cylinder 6
5. Engine control module (ECM) malfunction in relation to cylinder 6

How to diagnose & fix

Work through it in order

1. Decreased engine performance or power
2. Misfires or hesitation during acceleration
3. Rough idle or stalling
4. Increased fuel consumption
5. Illuminated Check Engine Light