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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