Symptoms
Puffing or chuffing noise from the engine, black carbon build-up around an injector, smell of exhaust in the cabin.
Likely cause
The copper washer under an injector fails, letting combustion gas escape.
Suggested fixes
Listed roughly in the order most owners try them.
- 1
Replace injector washers
Remove the injector, clean the seat thoroughly and fit a new copper washer and clamp bolt.
- Difficulty:
- Moderate DIY
- Cost:
- £ (Under about £50 in parts)
- 2
Specialist injector removal
Seized injectors need specialist tools to extract without damage.
- Difficulty:
- Specialist job
- Cost:
- ££ (About £50 to £300)
This is general guidance gathered from owner experience and workshop practice, not a substitute for a workshop manual or a qualified mechanic. Costs are rough parts-only guides. Brakes, steering and suspension work affects safety, so if in doubt have it checked professionally.
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