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Fuel evaporative pollutant control system
D350 fuel evaporation
1- Fuel level sensor 2- Fuel tank 3- Fuel pump 4- Oil-air separator (welded inside the fuel tank) 5- Fuel tank cap 6-
Adsorption/vent pipe 7-High pressure fuel pipe 8-Carbon tank 9-Carbon tank solenoid valve 10- Solenoid valve intake pipe 11-
solenoid valve outlet pipe 12-throttle valve body assembly
Fuel evaporation:
Oil and gas → oil and gas separator (inside the oil tank) → adsorption/vent pipe → solenoid valve intake pipe → solenoid valve
outlet pipe → throttle valve body assembly → intake manifold → cylinder
The fuel evaporative pollutant control system can only be checked after the cover is removed.
Check the carbon canister for cracks or damage.
Check the suction/vent pipe for cracks or damage.
Check whether the solenoid valve of the carbon canister is working properly.
Check whether the solenoid valve inlet and outlet pipes are cracked or damaged.
Check whether the hoses are bent, causing the airflow to be unsmooth.
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