7.3L Diesel Supplement 3rd Printing
Page 4
...bowl should be altered and you may notice a change in the center of : • eight glow plugs • the glow plug relay 4 Fuel is important in the cylinder head between the rocker arm assemblies. Lubrication system It is important to actuate the fuel injectors. This... Control Module (PCM). The filter should be drained at the recommended service interval. The glow plug system and fuel injection system are located in engine performance while it's engaged. Diesel information DIESEL ENGINE INFORMATION The Diesel engine fuel system consists of restricted flow. The fuel...
...bowl should be altered and you may notice a change in the center of : • eight glow plugs • the glow plug relay 4 Fuel is important in the cylinder head between the rocker arm assemblies. Lubrication system It is important to actuate the fuel injectors. This... Control Module (PCM). The filter should be drained at the recommended service interval. The glow plug system and fuel injection system are located in engine performance while it's engaged. Diesel information DIESEL ENGINE INFORMATION The Diesel engine fuel system consists of restricted flow. The fuel...
Diesel Supplement 2nd Printing
Page 4
...glow plug system and fuel injection system are located in the center of this manual for each cylinder The HFCM acts as a primary fuel filter/water separator which removes both water and impurities from the fuel tank by the fuel pump PCM relay. Lubrication system It is important to change...(FICM). Refer to the engine and is drawn from the fuel. The fuel pump provides pressurized fuel to the engine oil specification chart located under Engine oil specifications in the instrument cluster. The engine-mounted fuel filter and the HFCM filter should be changed at regular intervals or...
...glow plug system and fuel injection system are located in the center of this manual for each cylinder The HFCM acts as a primary fuel filter/water separator which removes both water and impurities from the fuel tank by the fuel pump PCM relay. Lubrication system It is important to change...(FICM). Refer to the engine and is drawn from the fuel. The fuel pump provides pressurized fuel to the engine oil specification chart located under Engine oil specifications in the instrument cluster. The engine-mounted fuel filter and the HFCM filter should be changed at regular intervals or...
Owner Guide 5th Printing
Page 176
... the kick panel access cover. Turn the ignition ON. 5. Make another check of leaks. FUSES AND RELAYS Fuses If electrical components in the vehicle are not working, a fuse may have blown. Turn the ignition... OFF. 2. Check the fuel system for leaks. 3. Roadside Emergencies This switch is located in the front passenger's footwell, by a broken wire within the fuse. Check the appropriate fuses before replacing ... cause severe wire damage and could start a fire. 176 2003 F250/350/450/550 (f23) Owners Guide (post-2002-fmt) USA English (fus) To reset the switch:...
... the kick panel access cover. Turn the ignition ON. 5. Make another check of leaks. FUSES AND RELAYS Fuses If electrical components in the vehicle are not working, a fuse may have blown. Turn the ignition... OFF. 2. Check the fuel system for leaks. 3. Roadside Emergencies This switch is located in the front passenger's footwell, by a broken wire within the fuse. Check the appropriate fuses before replacing ... cause severe wire damage and could start a fire. 176 2003 F250/350/450/550 (f23) Owners Guide (post-2002-fmt) USA English (fus) To reset the switch:...
Owner Guide 5th Printing
Page 178
The fuses are coded as follows. instrument panel Not used Power point - Fuse/Relay Location 1 2 3 4 5 6 7 8 9 10 11 178 Fuse Amp Rating 15A* - - 20A* - 20A* 30A* 15A* 20A* 10A* 20A* Passenger Compartment Fuse Panel Description Adjustable pedals Not used Not used Trailer tow turn/stop relay High beam headlamps/Flash to pass Backup lamps (Diesel engine only) Heated mirrors A/C clutch Radio (main) 2003 F250/350/450/550 (f23) Owners Guide (post-2002-fmt) USA English (fus) Roadside Emergencies To remove a fuse use the fuse puller tool provided on the fuse panel cover.
The fuses are coded as follows. instrument panel Not used Power point - Fuse/Relay Location 1 2 3 4 5 6 7 8 9 10 11 178 Fuse Amp Rating 15A* - - 20A* - 20A* 30A* 15A* 20A* 10A* 20A* Passenger Compartment Fuse Panel Description Adjustable pedals Not used Not used Trailer tow turn/stop relay High beam headlamps/Flash to pass Backup lamps (Diesel engine only) Heated mirrors A/C clutch Radio (main) 2003 F250/350/450/550 (f23) Owners Guide (post-2002-fmt) USA English (fus) Roadside Emergencies To remove a fuse use the fuse puller tool provided on the fuse panel cover.
Owner Guide 5th Printing
Page 179
Roadside Emergencies Fuse/Relay Location 12 13 14 15 16 17 18 19 20 21 22 23 Fuse Amp Rating 20A* 5A* 15A*... Exterior lamps Turn lamps/Brake on-off switch (high) Body security module/4x4 module Fuel Injection Control Module (FICM) relay (Diesel engine only) Not used Engine control Engine control (gasoline engine only), Climate control (Diesel engine only) Brake ... Transmission range sensor (automatic transmissions only) then to starter relay coil (all transmissions), 4x4 179 24 25 2A* 10A* 26 27 28 29 30 31 10A* 15A* 10A* 10A* 15A* 15A* 2003 F250/350/450/550 (f23) Owners Guide (post-2002...
Roadside Emergencies Fuse/Relay Location 12 13 14 15 16 17 18 19 20 21 22 23 Fuse Amp Rating 20A* 5A* 15A*... Exterior lamps Turn lamps/Brake on-off switch (high) Body security module/4x4 module Fuel Injection Control Module (FICM) relay (Diesel engine only) Not used Engine control Engine control (gasoline engine only), Climate control (Diesel engine only) Brake ... Transmission range sensor (automatic transmissions only) then to starter relay coil (all transmissions), 4x4 179 24 25 2A* 10A* 26 27 28 29 30 31 10A* 15A* 10A* 10A* 15A* 15A* 2003 F250/350/450/550 (f23) Owners Guide (post-2002...
Owner Guide 5th Printing
Page 180
Roadside Emergencies Fuse/Relay Location 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 101 102 103 Fuse Amp Rating 5A* 15A* ... on the fly Left-hand power seats 104 105 106 107 108 109 110 111 112 40A** 30A** 30A** 40A** - 30A** 50A** 30A** 30A** 180 2003 F250/350/450/550 (f23) Owners Guide (post-2002-fmt) USA English (fus)
Roadside Emergencies Fuse/Relay Location 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 101 102 103 Fuse Amp Rating 5A* 15A* ... on the fly Left-hand power seats 104 105 106 107 108 109 110 111 112 40A** 30A** 30A** 40A** - 30A** 50A** 30A** 30A** 180 2003 F250/350/450/550 (f23) Owners Guide (post-2002-fmt) USA English (fus)
Owner Guide 5th Printing
Page 181
... Fuse/Relay Location 113 114 115 116 601 602 210 211 212 301 302 303 Fuse Amp Rating 30A** 30A** 20A** 30A** 30A CB*** 60A Passenger Compartment Fuse Panel Description Starter motor Right-hand power seats Trailer tow battery charge Ignition switch Window motors, Moonroof 4WABS module Not used Backup lamps relay (Diesel...
... Fuse/Relay Location 113 114 115 116 601 602 210 211 212 301 302 303 Fuse Amp Rating 30A** 30A** 20A** 30A** 30A CB*** 60A Passenger Compartment Fuse Panel Description Starter motor Right-hand power seats Trailer tow battery charge Ignition switch Window motors, Moonroof 4WABS module Not used Backup lamps relay (Diesel...