Cylinder 11 Injection Timing Performance Over Advanced

Common symptoms

What you'll notice

• Check and replace the fuel injectors if necessary
• Inspect and clean the fuel system, including the fuel filter and fuel pump
• Verify proper operation of the ignition system, such as spark plugs and ignition coils
• Inspect and adjust the engine's timing belt or chain
• Check for any vacuum leaks in the intake manifold or related components

Common causes

Most likely first

1. Faulty fuel injector in cylinder 11
2. Engine timing out of synchronization
3. Dirty or clogged fuel injector in cylinder 11
4. Faulty engine control module (ECM)
5. Low fuel pressure in cylinder 11

How to diagnose & fix

Work through it in order

1. Engine misfires or runs roughly
2. Decreased performance or power
3. Engine hesitation or stumbling
4. Increased fuel consumption
5. Check Engine Light (CEL) illuminates