P02BF

Symptoms

• Rough engine idling
• Reduced engine power and response
• Increased fuel consumption
• Smell of gasoline from the exhaust system
• Possible misfire in cylinder 10

Causes

• Faulty or 'sticking' injector of cylinder 10
• Increased pressure in the fuel rail
• Dirty or faulty spark plug in cylinder 10
• Problems with the ignition coil of the 10th cylinder
• Low compression in cylinder 10
• Air leak in the intake manifold (if the problem is local)
• Temporary problems with the oxygen sensor

How to Fix

1. Read fault codes and freeze frame data
2. Check real-time fuel trim data for all cylinders
3. Perform a compression check on cylinder 10
4. Perform a cylinder balance test to identify the problem injector
5. Inspect the spark plug and coil of cylinder 10
6. Check fuel system pressure and injector performance
7. If necessary, replace faulty components and clear the error code

Related codes

Error P02BF by Vehicle Brand