Wrangler 2WD V6-3.8L (2008): Powertrain Management
Also for this vehicle: Wrangler 4WD L4-150 2.5L VIN P MFI (1998), Wrangler 4WD V6-3.8L (2009), Wrangler L4-150 2.5L VIN E TBI (1990), Wrangler L4-150 2.5L VIN H TBI (1986), Wrangler L4-150 2.5L VIN P MFI (1993), Wrangler L4-2.4L VIN 1 (2006), Wrangler L4-2.5L VIN P (1999), Wrangler L6-242 4.0L VIN S MFI (1991), Wrangler L6-258 4.2L VIN C 2-bbl (1988), Wrangler L6-258 4.2L VIN M 2-bbl (1989), Wrangler L6-4.0L VIN S (2000).
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 Management48 pages
Relays and Modules - Fuel Delivery and Air Induction5 pages
- Relays and Modules - Ignition System › Ignition Shut Down Relay (For Antitheft) › Component Information › Description and Operation
Sensors and Switches - Powertrain Management91 pages
Sensors and Switches - Computers and Control Systems64 pages
- Accelerator Pedal Position Sensor › Component Information › Locations23
Camshaft Position Sensor › Component Information10 pages
Technical Service Bulletins8 pages
- Service and Repair › Removal2
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Diagrams
Crankshaft Position Sensor › Component Information5 pages
Fuel Level Sensor › Component Information4 pages
Intake Air Temperature Sensor › Component Information4 pages
Knock Sensor › Component Information3 pages
Manifold Pressure/Vacuum Sensor › Component Information4 pages
Oxygen Sensor › Component Information8 pages
Transmission Position Switch/Sensor, A/T › Component Information5 pages
- Vehicle Speed Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617
- Sensors and Switches - Fuel Delivery and Air Induction › Accelerator Pedal Position Sensor › Component Information › Locations23
Sensors and Switches - Ignition System24 pages
Camshaft Position Sensor › Component Information10 pages
Technical Service Bulletins8 pages
- Service and Repair › Removal2
Crankshaft Position Sensor › Component Information5 pages
- Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Service and Repair › Key Cylinder23456
Knock Sensor › Component Information3 pages
Tune-up and Engine Performance Checks34 pages
- Idle Speed › System Information › Specifications
- Air Cleaner Housing › Air Filter Element › Component Information › Service and Repair › Removal2
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
- Firing Order › Component Information › Specifications › Electrical Specifications2
- Ignition Cable › Component Information › Specifications2
Spark Plug › Component Information12 pages
- Compression Check › System Information › Specifications2
- Valve Clearance › System Information › Specifications
Computers and Control Systems258 pages
- Accelerator Pedal Position Sensor › Component Information › Locations23
Intake Air Temperature Sensor › Component Information4 pages
Camshaft Position Sensor › Component Information10 pages
Technical Service Bulletins8 pages
- Service and Repair › Removal2
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Diagrams
Crankshaft Position Sensor › Component Information4 pages
- Electronic Throttle Control Indicator › Component Information › Description and Operation › Description2
Fuel Level Sensor › Component Information4 pages
- Idle Speed/Throttle Actuator - Electronic › Component Information › Locations
- Information Bus › Component Information › Diagrams › Diagram Information and Instructions2345678910111213141516171819202122
Knock Sensor › Component Information3 pages
- Main Relay (Computer/Fuel System) › Component Information › Locations23
- Malfunction Indicator Lamp › Component Information › Description and Operation › Description2
Manifold Pressure/Vacuum Sensor › Component Information4 pages
Oxygen Sensor › Component Information8 pages
Sensors and Switches - Computers and Control Systems64 pages
- Accelerator Pedal Position Sensor › Component Information › Locations23
Camshaft Position Sensor › Component Information10 pages
Technical Service Bulletins8 pages
- Service and Repair › Removal2
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Diagrams
Crankshaft Position Sensor › Component Information5 pages
Fuel Level Sensor › Component Information4 pages
Intake Air Temperature Sensor › Component Information4 pages
Knock Sensor › Component Information3 pages
Manifold Pressure/Vacuum Sensor › Component Information4 pages
Oxygen Sensor › Component Information8 pages
Transmission Position Switch/Sensor, A/T › Component Information5 pages
- Vehicle Speed Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617
Transmission Position Switch/Sensor, A/T › Component Information5 pages
- Vehicle Speed Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617
Emission Control Systems44 pages
- Catalytic Converter › Component Information › Service and Repair › Removal2
Evaporative Emissions System28 pages
Evaporative Check Valve › Component Information › Technical Service Bulletins6 pages
Evaporative Emissions Hose › Component Information › Technical Service Bulletins6 pages
- Leak Detector, Evaporative System › Component Information › Diagrams
- Leak Detection Pump, Evaporative System › Component Information › Description and Operation2
- Refueling Vapor Recovery System › System Information › Description and Operation
Positive Crankcase Ventilation › Positive Crankcase Ventilation Valve › Component Information3 pages
Fuel Delivery and Air Induction99 pages
- Fuel Pressure Release › System Information › Service and Repair
- Idle Speed › System Information › Specifications
Accelerator Pedal › Component Information3 pages
- Accelerator Pedal Position Sensor › Component Information › Locations23
- Air Cleaner Housing › Air Filter Element › Component Information › Service and Repair › Removal2
- Fuel › Component Information › Description and Operation2
- Fuel Filler Cap › Component Information › Description and Operation › Description2
- Fuel Filler Cap Warning Indicator › Component Information › Description and Operation › Description2
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
Fuel Injector › Component Information13 pages
- Fuel Line Coupler › Component Information › Description and Operation234567
- Fuel Pressure Regulator › Component Information › Locations › Fuel Pump Module2
Fuel Pump13 pages
- Fuel Pump Pickup Filter › Component Information › Locations
- Fuel Rail › Component Information › Service and Repair › Removal2
- Fuel Supply Line › Component Information › Description and Operation
Fuel Tank16 pages
Fuel Filler Neck › Component Information › Technical Service Bulletins6 pages
Fuel Gauge Sender › Component Information4 pages
Fuel Tank Vent › Component Information › Technical Service Bulletins6 pages
- Idle Speed/Throttle Actuator - Electronic › Component Information › Locations
- Main Relay (Computer/Fuel System) › Component Information › Locations23
Relays and Modules - Fuel Delivery and Air Induction5 pages
- Sensors and Switches - Fuel Delivery and Air Induction › Accelerator Pedal Position Sensor › Component Information › Locations23
Throttle Body › Component Information4 pages
Ignition System63 pages
- Firing Order › Component Information › Specifications › Electrical Specifications2
Camshaft Position Sensor › Component Information10 pages
Technical Service Bulletins8 pages
- Service and Repair › Removal2
Crankshaft Position Sensor › Component Information5 pages
- Ignition Cable › Component Information › Specifications2
Ignition Coil › Component Information3 pages
- Ignition Shut Down Relay (For Antitheft) › Component Information › Description and Operation
Knock Sensor › Component Information3 pages
- Relays and Modules - Ignition System › Ignition Shut Down Relay (For Antitheft) › Component Information › Description and Operation
Sensors and Switches - Ignition System24 pages
Camshaft Position Sensor › Component Information10 pages
Technical Service Bulletins8 pages
- Service and Repair › Removal2
Crankshaft Position Sensor › Component Information5 pages
- Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Service and Repair › Key Cylinder23456
Knock Sensor › Component Information3 pages
Spark Plug › Component Information12 pages
Transmission Control Systems108 pages
Actuators and Solenoids - Transmission and Drivetrain20 pages
Actuators and Solenoids - A/T18 pages
Overdrive Solenoid, A/T › Component Information4 pages
Pressure Regulating Solenoid, A/T › Component Information5 pages
Shift Solenoid, A/T › Component Information5 pages
Torque Converter Clutch Solenoid, A/T › Component Information4 pages
- Actuators and Solenoids - Differential › Solenoid, Differential Lock › Component Information › Diagrams › Solenoid-Locker-Front2
Lamps and Indicators - Transmission and Drivetrain26 pages
Lamps and Indicators - A/T24 pages
- Overdrive Indicator Lamp › Component Information › Description and Operation › Description2
Temperature Warning Indicator - A/T › Component Information › Technical Service Bulletins18 pages
All Technical Service Bulletins for Temperature Warning Indicator - A/T:9 pages
Recalls for Temperature Warning Indicator - A/T:9 pages
Transmission Mode Indicator - A/T › Component Information4 pages
- Lamps and Indicators - Differential › Differential Lock Indicator › Component Information › Description and Operation › Description2
Relays and Modules - Transmission and Drivetrain16 pages
Relays and Modules - A/T › Transmission Control System Relay, A/T › Component Information4 pages
Sensors and Switches - Transmission and Drivetrain46 pages
Sensors and Switches - A/T37 pages
- Fluid Pressure Sensor/Switch, A/T › Component Information › Diagrams › Assembly-Line Pressure Sensor/Variable Force Solenoid2
- Overdrive Switch, A/T › Component Information › Service and Repair › Removal2
Transmission Position Switch/Sensor, A/T › Component Information5 pages
Transmission Speed Sensor, A/T › Component Information6 pages
Transmission Temperature Sensor/Switch, A/T › Component Information22 pages
Technical Service Bulletins18 pages
All Technical Service Bulletins for Transmission Temperature Sensor/Switch:9 pages
Recalls for Transmission Temperature Sensor/Switch:9 pages
- Description and Operation › Description2
- Service and Repair › Removal2
Sensors and Switches - Differential › Switch, Differential Lock › Component Information6 pages
Sensors and Switches - M/T › Clutch Pedal Position Sensor / Switch › Component Information3 pages
PROM - Programmable Read Only Memory › Component Information › Technical Service Bulletins22 pages
All Technical Service Bulletins for PROM - Programmable Read Only Memory:11 pages
- 18-015-10C › Aug › 10 › Engine Controls - MIL ON/DTC P2181 Is Stored In Memory2
- 18-005-08B › Aug › 08 › Engine Controls - False Oil Change Indicator23
- 08-013-08A › Jul › 08 › Engine Controls - Premature Oil Change Lamp Illumination2
- 08-001-08A › Jan › 08 › Engine Controls - Long Crank Time/MIL ON/DTC P0344/P0340234
Customer Interest for PROM - Programmable Read Only Memory:11 pages
- 18-015-10C › Aug › 10 › Engine Controls - MIL ON/DTC P2181 Is Stored In Memory2
- 18-005-08B › Aug › 08 › Engine Controls - False Oil Change Indicator23
- 08-013-08A › Jul › 08 › Engine Controls - Premature Oil Change Lamp Illumination2
- 08-001-08A › Jan › 08 › Engine Controls - Long Crank Time/MIL ON/DTC P0344/P0340234