Evaporative Emissions System

EVAP Canister and Leak Detection System Hose Routing

• The following shows the hose diagram on vehicle with a 4.2L, 8-cylinder engine.






1 Evaporative Emission (EVAP) Canister Purge Regulator Valve 1 (N80)

2 Vacuum Line

• From the engine to the EVAP canister

• Clipped into brackets under the vehicle underbody

3 Fuel Filler Tube

4 Vent Line

• From the fuel filler tube to the EVAP canister

5 EVAP Canister

• Installed location: Under wheel housing liner in right rear wheel housing

• Removing and installing, refer to => [ Evaporative Emission Canister ] Service and Repair

6 Air Filter

• For the fuel tank pressure sensor (G400)

7 Fuel Tank Pressure Sensor (G400)

• Installed location: Under wheel housing liner in right rear wheel housing

• Checking in Guided Fault Finding using the vehicle diagnosis tester

• Removing and installing, refer to => [ Fuel Tank Pressure Sensor (G400) ] Fuel Tank Pressure Sensor (G400)

8 Vent Line

• From the EVAP canister to EVAP canister purge regulator valve 1