P0308

Symptoms

• The engine is rough or unstable
• Reduced power and deterioration in dynamics
• Increased fuel consumption
• Jerking during acceleration
• Check Engine Light Is On

Causes

• Spark plug fault
• Problems with the ignition coil
• Dirty or faulty fuel injectors
• Low cylinder compression
• Problems with the ignition system
• Malfunction of sensors (mass air flow sensor, knock sensor, etc.)
• Vacuum leak

How to Fix

1. Check the condition of the spark plug in cylinder 8
2. Test the ignition coil
3. Check fuel injector
4. Measure the compression in the cylinder
5. Check wiring harness and connections
6. Check the operation of the sensors (mass air flow sensor, knock sensor, etc.)
7. Check the tightness of the intake tract

Related codes

Error P0308 by Vehicle Brand