Ranger 4WD V6-245 4.0L (1991): Powertrain Management
Also for this vehicle: Ranger 2006.5 (05.2006-), Ranger 2WD L4-122 2.0L SOHC (1984), Ranger 2WD L4-134 2.2L DSL (1983), Ranger 2WD L4-140 2.3L SOHC (1984), Ranger 2WD L4-153 2.5L SOHC VIN C SFI (1998), Ranger 2WD L4-2.3L (2009), Ranger 2WD L4-2.3L VIN D (2001), Ranger 2WD V6-171 2.8L (1983), Ranger 2WD V6-177 2.9L (1989), Ranger 2WD V6-182 3.0L (1995), Ranger 2WD V6-245 4.0L (1990), Ranger 2WD V6-245 4.0L VIN X SFI (1997), Ranger 2WD V6-3.0L (2008), Ranger 2WD V6-3.0L VIN U (1998), Ranger 2WD V6-3.0L VIN V Flex Fuel (2001), Ranger 2WD V6-4.0L (2010), Ranger 4WD L4-122 2.0L SOHC (1984), Ranger 4WD L4-134 2.2L DSL (1983), Ranger 4WD L4-140 2.3L SOHC (1984), Ranger 4WD L4-140 2.3L VIN A EFI (1997), Ranger 4WD L4-153 2.5L SOHC VIN C SFI (2001), Ranger 4WD L4-2.3L VIN D (2002), Ranger 4WD V6-171 2.8L (1983), Ranger 4WD V6-177 2.9L (1988), Ranger 4WD V6-182 3.0L (1994), Ranger 4WD V6-183 3.0L (1993), Ranger 4WD V6-245 4.0L VIN X SFI (1999), Ranger 4WD V6-3.0L (2008), Ranger 4WD V6-3.0L VIN U (1997), Ranger 4WD V6-3.0L VIN V Flex Fuel (1999), Ranger 4WD V6-4.0L (2009), Ranger 4WD V6-4.0L VIN E (2001), Ranger Factory Service Manual (2007).
Diagnostics
Maintenance
Engine
Transmission
Brakes
Electrical
Steering & suspension
Heating & A/C
Body & interior
Choose Sections to see everything in a chapter, or a chapter title to start at its first page.
Relays and Modules - Powertrain Management35 pages
Relays and Modules - Computers and Control Systems18 pages
Engine Control Module › Component Information15 pages
- Main Relay (Computer/Fuel System) › Component Information › Locations23
Relays and Modules - Ignition System › Ignition Control Module › Component Information › Technical Service Bulletins6 pages
- Customer Interest: › 9238 › Jan › 92 › Engine - Loss of Power At High Engine Speeds
All Technical Service Bulletins for Ignition Control Module:3 pages
- All Other Service Bulletins for Ignition Control Module: › 95102 › May › 95 › Connector, DIS Ignition Revised2
Sensors and Switches - Powertrain Management82 pages
Sensors and Switches - Computers and Control Systems43 pages
Mass Air Flow (MAF) Sensor <--> [Air Flow Meter/Sensor] › Component Information › Technical Service Bulletins6 pages
- Barometric Pressure Sensor › Component Information › Locations2
- Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions23456
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Description and Operation
Crankshaft Position Sensor › Component Information8 pages
- Intake Air Temperature Sensor › Component Information › Locations2
- Oxygen Sensor › Component Information › Technical Service Bulletins › EGO Sensors - Silicone Contamination23456
- Throttle Position Sensor › Component Information › Locations234
Sensors and Switches - Fuel Delivery and Air Induction17 pages
Mass Air Flow (MAF) Sensor <--> [Air Flow Meter/Sensor] › Component Information › Technical Service Bulletins6 pages
- Throttle Position Sensor › Component Information › Locations234
Sensors and Switches - Ignition System22 pages
- Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions23456
Crankshaft Position Sensor › Component Information8 pages
Ignition Switch › Component Information › Technical Service Bulletins8 pages
Customer Interest for Ignition Switch:4 pages
All Technical Service Bulletins for Ignition Switch:4 pages
Tune-up and Engine Performance Checks78 pages
- Fuel Pressure › System Information › Specifications23
Idle Speed › System Information53 pages
Technical Service Bulletins48 pages
- Adjustments › With 90TF-AA Throttle Body2345
- Air Cleaner Housing › Air Cleaner Fresh Air Duct/Hose › Component Information › Technical Service Bulletins › Engine - Water Entry Through Air Intake System
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
- Firing Order › Component Information › Specifications
- Ignition Cable › Component Information › Locations23
Spark Plug › Component Information4 pages
- Compression Check › System Information › Specifications
- Valve Clearance › System Information › Locations2
Computers and Control Systems165 pages
Mass Air Flow (MAF) Sensor <--> [Air Flow Meter/Sensor] › Component Information › Technical Service Bulletins6 pages
- Intake Air Temperature Sensor › Component Information › Locations2
- Auxiliary Air Valve (Idle Speed) › Component Information › Description and Operation
- Barometric Pressure Sensor › Component Information › Locations2
- Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions23456
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Description and Operation
Crankshaft Position Sensor › Component Information8 pages
- Data Link Connector › Component Information › Locations2
- Diagnostic Mode Switch/Connector › Component Information › Diagrams2
Engine Control Module › Component Information15 pages
Idle Speed/Throttle Actuator - Electronic › Component Information › Technical Service Bulletins36 pages
- Customer Interest for Idle Speed/Throttle Actuator - Electronic: › 91257 › Dec › 91 › Engine - Hard Cold Starts/Hesitation/Stalls On Start-Up23456789101112131415161718
- All Technical Service Bulletins for Idle Speed/Throttle Actuator - Electronic: › 91257 › Dec › 91 › Engine - Hard Cold Starts/Hesitation/Stalls On Start-Up23456789101112131415161718
- Main Relay (Computer/Fuel System) › Component Information › Locations23
- Malfunction Indicator Lamp › Component Information › Technical Service Bulletins › Connector, DIS Ignition Revised2
- Oxygen Sensor › Component Information › Technical Service Bulletins › EGO Sensors - Silicone Contamination23456
Relays and Modules - Computers and Control Systems18 pages
Engine Control Module › Component Information15 pages
- Main Relay (Computer/Fuel System) › Component Information › Locations23
Sensors and Switches - Computers and Control Systems43 pages
Mass Air Flow (MAF) Sensor <--> [Air Flow Meter/Sensor] › Component Information › Technical Service Bulletins6 pages
- Barometric Pressure Sensor › Component Information › Locations2
- Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions23456
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Description and Operation
Crankshaft Position Sensor › Component Information8 pages
- Intake Air Temperature Sensor › Component Information › Locations2
- Oxygen Sensor › Component Information › Technical Service Bulletins › EGO Sensors - Silicone Contamination23456
- Throttle Position Sensor › Component Information › Locations234
- Throttle Position Sensor › Component Information › Locations234
Emission Control Systems23 pages
Catalytic Converter › Component Information › Technical Service Bulletins6 pages
Evaporative Emissions System9 pages
- Canister Purge Control Valve › Component Information › Testing and Inspection
- Canister Purge Solenoid › Component Information › Locations23
- Charcoal Canister <--> [Evaporative Emission Control Canister] › Component Information › Locations2
- Liquid Vapor Separator, Evaporative System › Component Information › Description and Operation
- Vacuum Delay Valve, EVAP › Component Information › Description and Operation2
- Positive Crankcase Ventilation › Positive Crankcase Ventilation Valve › Component Information › Locations
Inlet Air Temperature Control <--> [Thermostatic Air Cleaner]2 pages
Fuel Delivery and Air Induction273 pages
- Fuel Pressure › System Information › Specifications23
- Fuel Pressure Release › System Information › Service and Repair
Idle Speed › System Information53 pages
Technical Service Bulletins48 pages
- Adjustments › With 90TF-AA Throttle Body2345
- Air Cleaner Housing › Air Cleaner Fresh Air Duct/Hose › Component Information › Technical Service Bulletins › Engine - Water Entry Through Air Intake System
Mass Air Flow (MAF) Sensor <--> [Air Flow Meter/Sensor] › Component Information › Technical Service Bulletins6 pages
- Auxiliary Air Valve (Idle Speed) › Component Information › Description and Operation
Fuel › Component Information › Technical Service Bulletins16 pages
All Technical Service Bulletins for Fuel:8 pages
All Other Service Bulletins for Fuel:5 pages
- Fuel Filler Cap › Component Information › Description and Operation
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
- Fuel Pressure Regulator › Component Information › Locations234
- Fuel Injection Supply Manifold Assembly <--> [Fuel Rail] › Component Information › Service and Repair
- Fuel Return Line › Component Information › Technical Service Bulletins › Nylon Fuel Lines - Servicing Procedure234
Fuel Supply Line › Component Information › Technical Service Bulletins14 pages
- Customer Interest: › 93511 › Mar › 93 › Fuel Line - Knocking Noises23
All Technical Service Bulletins for Fuel Supply Line:7 pages
- All Other Service Bulletins for Fuel Supply Line: › 921216 › Jun › 92 › Nylon Fuel Lines - Servicing Procedure234
Idle Speed/Throttle Actuator - Electronic › Component Information › Technical Service Bulletins36 pages
- Customer Interest for Idle Speed/Throttle Actuator - Electronic: › 91257 › Dec › 91 › Engine - Hard Cold Starts/Hesitation/Stalls On Start-Up23456789101112131415161718
- All Technical Service Bulletins for Idle Speed/Throttle Actuator - Electronic: › 91257 › Dec › 91 › Engine - Hard Cold Starts/Hesitation/Stalls On Start-Up23456789101112131415161718
- Intake Air Heater › Component Information › Locations
- Main Relay (Computer/Fuel System) › Component Information › Locations23
Sensors and Switches - Fuel Delivery and Air Induction17 pages
Mass Air Flow (MAF) Sensor <--> [Air Flow Meter/Sensor] › Component Information › Technical Service Bulletins6 pages
- Throttle Position Sensor › Component Information › Locations234
Throttle Body › Component Information › Technical Service Bulletins58 pages
- Throttle Cable/Linkage › Component Information › Technical Service Bulletins › Accelerator Cable - Service Procedures/Tips23
- Throttle Position Sensor › Component Information › Locations234
Ignition System82 pages
- Firing Order › Component Information › Specifications
- Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions23456
Crankshaft Position Sensor › Component Information8 pages
- Ignition Cable › Component Information › Locations23
- Ignition Coil › Component Information › Specifications234567
Ignition Control Module › Component Information › Technical Service Bulletins6 pages
- Customer Interest: › 9238 › Jan › 92 › Engine - Loss of Power At High Engine Speeds
All Technical Service Bulletins for Ignition Control Module:3 pages
- All Other Service Bulletins for Ignition Control Module: › 95102 › May › 95 › Connector, DIS Ignition Revised2
- Ignition Timing Connector › Component Information › Technical Service Bulletins › Octane Adjust Shorting Bar - Revised Procedures2345678
Relays and Modules - Ignition System › Ignition Control Module › Component Information › Technical Service Bulletins6 pages
- Customer Interest: › 9238 › Jan › 92 › Engine - Loss of Power At High Engine Speeds
All Technical Service Bulletins for Ignition Control Module:3 pages
- All Other Service Bulletins for Ignition Control Module: › 95102 › May › 95 › Connector, DIS Ignition Revised2
Sensors and Switches - Ignition System22 pages
- Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions23456
Crankshaft Position Sensor › Component Information8 pages
Ignition Switch › Component Information › Technical Service Bulletins8 pages
Customer Interest for Ignition Switch:4 pages
All Technical Service Bulletins for Ignition Switch:4 pages
Spark Plug › Component Information6 pages
Technical Service Bulletins4 pages
- Customer Interest: › 9238 › Jan › 92 › Engine - Loss of Power At High Engine Speeds
- All Technical Service Bulletins: › 9238 › Jan › 92 › Engine - Loss of Power At High Engine Speeds
- All Other Service Bulletins for Spark Plug: › 94411 › Feb › 94 › Heater - Air Flow From Panel During Heavy Acceleration2
- All Other Service Bulletins for Spark Plug: › 94411 › Feb › 94 › Heater - Air Flow From Panel During Heavy Acceleration
- Specifications › Spark Plug Gap2
Transmission Control Systems33 pages
Actuators and Solenoids - Transmission and Drivetrain10 pages
Relays and Modules - Transmission and Drivetrain13 pages
- Relays and Modules - A/T › Control Module, A/T › Component Information › Locations › Regular Cab2
Relays and Modules - Transfer Case › Electronic Shift Control Module <--> [Control Module, Transfer Case] › Component Information11 pages
Sensors and Switches - Transmission and Drivetrain10 pages
- Sensors and Switches - A/T › Transmission Temperature Sensor/Switch, A/T › Component Information › Testing and Inspection
Sensors and Switches - Transfer Case9 pages