Engine Error
P0278
Cylinder 6 Contribution/Balance
Severity
High
Symptoms
Rough idle, hesitation, check engine light
Common Causes
- Defective fuel injector Cyl 6
- Bad spark plug or wire
- Worn camshaft lobe
- Low compression
How to Fix
- 1 Test and replace fuel injector
- 2 Replace ignition components
- 3 Inspect camshaft
- 4 Run compression test
Estimated Repair Cost
USD
$100
–
$1500
Injector: 150 - 400; Camshaft: 800+