Engine Running Phenomenon of Nissan Qichen R50 Hot Car

Engine deviation is the change of engine power and the fluctuation of engine speed when the throttle opening is stable or cruising.

Engine deviation phenomenon needs to check whether the vacuum tube leaks. Check the working condition of EGR system and whether the fuel evaporation system is normal. Check whether the throttle shaft is excessively worn, whether the exhaust system is blocked, and whether the transmission gear switch is adjusted correctly.