Misfire

Checks by the user

• Restriction in a fuel pipe
• Fault in fuel lift pump
• Dirty fuel filter element
• Air in fuel system
• Fault in atomisers or atomisers of an incorrect type
• Fault in cold start system
• Engine temperature is too high
• 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
• Wrong high-pressure pipes
• Leakage between valves and seats