Cylinder 11 Injection Timing Performance Over Retarded

Common symptoms

What you'll notice

• Check the fuel injection system for any clogs or blockages
• Inspect the timing belt for any damage or wear and replace if necessary
• Verify the proper functioning of the fuel injectors and replace if needed
• Adjust the injection timing according to manufacturer's specifications
• Perform a thorough inspection of the engine's sensors and wiring to ensure they are functioning correctly

Common causes

Most likely first

1. Faulty fuel injector in cylinder 11
2. Clogged or blocked fuel injector in cylinder 11
3. Incorrect fuel pressure in cylinder 11
4. Faulty fuel pressure regulator
5. Malfunctioning engine control module (ECM)

How to diagnose & fix

Work through it in order

1. Engine misfires or runs rough
2. Reduced acceleration or loss of power
3. Poor fuel efficiency
4. Increased exhaust emissions
5. Check Engine light illuminated