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Black exhaust smoke
Checks by the user
- Restriction in filter/cleaner or air induction system
- Fault in atomisers or atomisers of an incorrect type
- Fault in cold start system
- Wrong type or grade of fuel used
- Restriction in exhaust pipe
- Engine temperature is too low
- Valve tip clearances are incorrect
Check by the workshop personnel
- Fault in fuel injection pump
- Timing of fuel injection pump is incorrect
- Valve timing is incorrect
- Bad compression
- Cylinder head gasket leaks
- Valves are not free
- Worn cylinder bores
- Leakage between valves and seats
- Piston rings are not free or they are worn or broken
- Turbocharger impeller is damaged or dirty
- Induction system leaks (turbocharged engines)
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Haberler
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