Отключение мочевины Cummins.
Отключение мочевины Cummins.
The reason of P1478 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance. P1478 the main thing to check is to verify the operation of the VCT solenoid. You're looking for a sticking or stuck VCt solenoid valve caused by contamination. Refer to vehicle specific repair manual to perform component tests for the VCT unit.