For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 1998 🢒 GMC P42 Commercial Chassis 🢒 Engine 🢒 Engine Controls - 5.0L and 5.7L 🢒 Emission Hose Routing Diagram

Emission Hose Routing Diagram for GMC Truck GMC P42 Commercial Chassis 1998

Figure 1:


(1)	To Evap Canister located at rear of vehicle
(2)	PCV
(3)	To HVAC (when used)
(4)	Throttle Body
(5)	Manifold Absolute Pressure (MAP) Sensor
(6)	Evap Canister Purge Solenoid Valve
(7)	Evap Canister Purge Hose

Figure 2:


(1)	To EVAP Canister
(2)	Positive Crankcase Ventilation (PCV)
(3)	To HVAC (When Used)
(4)	Throttle Body
(5)	Manifold Absolute Pressure (MAP) Sensor
(6)	Crankcase Vent (To Fresh Air)
(7)	EVAP Canister Purge Solenoid Valve
(8)	EVAP Service Port
(9)	EVAP Canister Purge Hose