- driver errors when starting the engine are excluded: Do not press the gas pedal both on a cold and warm engine, press the clutch pedal
- the tank is filled with fuel,
- the engine is mechanically ok,
- the battery is charged,
- the starter rotates at a sufficient number of revolutions,
- ignition system is ok
- there are no fuel leaks in the fuel system,
- the fuel system is not contaminated,
- crankcase ventilation is ok
- electrical ground connection (engine - gearbox - body) available.
- poll the fault memory.
Attention: If fuel hoses are removed, pre-clean them with gasoline.