The engine is difficult to start

Checks by the user

• Starter motor turns engine too slowly
• Fault in stop control
• Restriction in a fuel pipe
• Fault in fuel lift pump
• Dirty fuel filter element
• Restriction in filter/cleaner or air induction system
• Air in fuel system
• Fault in atomisers or atomisers of an incorrect type
• Cold start system used incorrectly
• Fault in cold start system
• Restriction in fuel tank vent
• Wrong type or grade of fuel used
• Restriction in exhaust pipe

Check by the workshop personnel

• Fault in fuel injection pump
• Timing of fuel injection pump is incorrect
• Valve timing is incorrect
• Bad compression
• Valves are not free
• Worn cylinder bores
• Leakage between valves and seats
• Piston rings are not free or they are worn or broken