P03A6

Symptoms

• Uneven engine operation
• Power reduction
• Increased fuel consumption
• Engine troubles

Causes

• Worn piston rings in cylinder 2
• Damage or wear to the valves of cylinder 2
• Faulty spark plug in cylinder 2
• Problems with the fuel injector of cylinder 2
• Compression leak in cylinder 2
• Malfunction of the ignition coil (if individual)

How to Fix

1. Check compression in cylinder 2
2. Inspect the spark plug and replace if necessary
3. Check the operation of the fuel injector
4. Test the ignition coil
5. Perform a cylinder leak test
6. If necessary, disassemble the engine to check the condition of the valves and piston group

Related codes

Error P03A6 by Vehicle Brand