Ford F150 Pickup. Manual - part 1657

Fig. 23: Vacuum Diagram - Excursion & F250-350 Super Duty Pickup (5.4L & 6.8L Medium & Heavy-
Duty W/O EGR Valve) 
Courtesy of FORD MOTOR CO. 

2003 Ford Pickup F150 

2003 ENGINE PERFORMANCE Vacuum Diagrams - Trucks

Fig. 24: Vacuum Diagram - Excursion & F250-350 Super Duty Pickup (5.4L Light & Medium-Duty 
W/EGR Valve) 
Courtesy of FORD MOTOR CO. 

2003 Ford Pickup F150 

2003 ENGINE PERFORMANCE Vacuum Diagrams - Trucks

Fig. 25: Vacuum Diagrams - Excursion & F250-350 Super Duty Pickup (5.4L & 6.8L W/O EVAP 
Canister Vent Solenoid) 
Courtesy of FORD MOTOR CO. 

2003 Ford Pickup F150 

2003 ENGINE PERFORMANCE Vacuum Diagrams - Trucks

Fig. 26: Vacuum Diagram - F450-F550 Super Duty Pickup (6.8L Heavy-Duty W/Triple EVAP Canisters)
Courtesy of FORD MOTOR CO. 

EXPLORER & MOUNTAINEER 

2003 Ford Pickup F150 

2003 ENGINE PERFORMANCE Vacuum Diagrams - Trucks