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