In order for defects to be localized according to the following table, the following conditions must be met: there must be no errors when starting the engine. For both cold and hot engines, the rule is to press the gas pedal a little while starting the engine. Fuel in tank, engine mechanically OK, valve clearances adjusted, battery charged, starter running at correct RPM, ignition system OK, fuel system leak free, crankcase ventilation OK, electrical ground connection (engine-box-body) securely.
Attention: before removing the fuel hoses, they must be cleaned with gasoline.