V 20 P/U 4WD L6-292 4.8L (1988): Powertrain Management
Also for this vehicle: V 20 P/U 4WD V6-262 4.3L (1987), V 20 P/U 4WD V8-350 5.7L (1987), V 20 P/U 4WD V8-379 6.2L DSL (1988), V 20 P/U 4WD V8-454 7.4L (1987).
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 Management17 pages
Relays and Modules - Computers and Control Systems14 pages
Engine Control Module › Component Information13 pages
Technical Service Bulletins12 pages
- Customer Interest: › 882518A › Jun › 88 › ECM - Intermittent Connection
All Technical Service Bulletins for Engine Control Module:6 pages
- 04-06-04-054B › Nov › 10 › Engine Controls - Aftermarket Accessory Usage2
- 913846E › Aug › 91 › ECM/PCM - Damaged and/or Misdiagnosed
- 90568 › Sep › 89 › ECM - Packard 32 Way Connector Identification
- 882518A › Jun › 88 › ECM - Intermittent Connection
- 8842 › Sep › 87 › Engine Controls - ECM May Contain Wrong PROM
All Other Service Bulletins for Engine Control Module:5 pages
- Testing and Inspection › Diagnostic Trouble Code Descriptions
- Idle/Throttle Speed Control Unit › Component Information › Specifications
Relays and Modules - Fuel Delivery and Air Induction2 pages
- Relays and Modules - Ignition System › Ignition Control Module › Component Information › Service and Repair
Sensors and Switches - Powertrain Management27 pages
Sensors and Switches - Computers and Control Systems21 pages
- Absolute Pressure Sensor <--> [Barometric Pressure Sensor] › Component Information › Specifications
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications2
- Manifold Air Temperature (MAT) Sensor <--> [Intake Air Temperature Sensor] › Component Information › Specifications
- Knock Sensor › Component Information › Locations
- Manifold Pressure/Vacuum Sensor › Component Information › Technical Service Bulletins › MAP - Revised Check Chart for DTC's 33, 34, 63, 64234567891011
- Oxygen Sensor › Component Information › Technical Service Bulletins › Oxygen Sensors - Silica Contamination
- Throttle Position Sensor › Component Information › Locations
Vehicle Speed Sensor › Component Information3 pages
Sensors and Switches - Fuel Delivery and Air Induction5 pages
- Sensors and Switches - Ignition System › Knock Sensor › Component Information › Locations
Tune-up and Engine Performance Checks27 pages
- Fuel Pressure › Diagnostic Connector - Fuel Pump › Component Information › Locations
Idle Speed › System Information3 pages
Air Cleaner Housing › Air Filter Element › Component Information › Technical Service Bulletins8 pages
- Customer Interest: › 04-07-30-013B › Feb › 07 › Engine, A/T - Shift/Driveability Concerns/MIL ON2
- All Technical Service Bulletins: › 04-07-30-013B › Feb › 07 › Engine, A/T - Shift/Driveability Concerns/MIL ON2
All Other Service Bulletins for Air Filter Element:4 pages
All Other Service Bulletins for Air Filter Element:0 pages
- 99-08-42-009 › Nov › 99 › IP Dimmer Control - Proper Setting
- 99-08-49-006 › Apr › 99 › Instrument Panel - Upper Surface Reflection
- 912850A › Apr › 91 › Instrument Panel - Upper Surface Cleaning
- 91308C › Jul › 90 › Instrument Panel - Paint Peeling Prevention
- Fuel Filter › Component Information › Locations
- Firing Order › Component Information › Specifications › Ignition Firing Order
Spark Plug Wire <--> [Ignition Cable] › Component Information › Technical Service Bulletins2 pages
- Distributor, Ignition › Component Information › Specifications234
- Spark Plug › Component Information › Specifications › Torque2
- Compression Check › System Information › Specifications
- Valve Clearance › System Information › Specifications2
Computers and Control Systems83 pages
- Manifold Air Temperature (MAT) Sensor <--> [Intake Air Temperature Sensor] › Component Information › Specifications
- Absolute Pressure Sensor <--> [Barometric Pressure Sensor] › Component Information › Specifications
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications2
- Data Link Connector › Component Information › Diagrams
Engine Control Module › Component Information13 pages
Technical Service Bulletins12 pages
- Customer Interest: › 882518A › Jun › 88 › ECM - Intermittent Connection
All Technical Service Bulletins for Engine Control Module:6 pages
- 04-06-04-054B › Nov › 10 › Engine Controls - Aftermarket Accessory Usage2
- 913846E › Aug › 91 › ECM/PCM - Damaged and/or Misdiagnosed
- 90568 › Sep › 89 › ECM - Packard 32 Way Connector Identification
- 882518A › Jun › 88 › ECM - Intermittent Connection
- 8842 › Sep › 87 › Engine Controls - ECM May Contain Wrong PROM
All Other Service Bulletins for Engine Control Module:5 pages
- Testing and Inspection › Diagnostic Trouble Code Descriptions
- Idle Speed/Throttle Actuator - Mechanical › Component Information › Locations
- Idle/Throttle Speed Control Unit › Component Information › Specifications
- Knock Sensor › Component Information › Locations
- Malfunction Indicator Lamp › Component Information › Service and Repair
- Manifold Pressure/Vacuum Sensor › Component Information › Technical Service Bulletins › MAP - Revised Check Chart for DTC's 33, 34, 63, 64234567891011
- Memory Calibration Unit › Component Information › Technical Service Bulletins › PROM/MEMCAL - Identification Marks2
- Mixture Control Solenoid › Component Information › Specifications
- Quad Driver <--> [Output Driver] › Component Information › Locations234
- Oxygen Sensor › Component Information › Technical Service Bulletins › Oxygen Sensors - Silica Contamination
Relays and Modules - Computers and Control Systems14 pages
Engine Control Module › Component Information13 pages
Technical Service Bulletins12 pages
- Customer Interest: › 882518A › Jun › 88 › ECM - Intermittent Connection
All Technical Service Bulletins for Engine Control Module:6 pages
- 04-06-04-054B › Nov › 10 › Engine Controls - Aftermarket Accessory Usage2
- 913846E › Aug › 91 › ECM/PCM - Damaged and/or Misdiagnosed
- 90568 › Sep › 89 › ECM - Packard 32 Way Connector Identification
- 882518A › Jun › 88 › ECM - Intermittent Connection
- 8842 › Sep › 87 › Engine Controls - ECM May Contain Wrong PROM
All Other Service Bulletins for Engine Control Module:5 pages
- Testing and Inspection › Diagnostic Trouble Code Descriptions
- Idle/Throttle Speed Control Unit › Component Information › Specifications
Sensors and Switches - Computers and Control Systems21 pages
- Absolute Pressure Sensor <--> [Barometric Pressure Sensor] › Component Information › Specifications
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications2
- Manifold Air Temperature (MAT) Sensor <--> [Intake Air Temperature Sensor] › Component Information › Specifications
- Knock Sensor › Component Information › Locations
- Manifold Pressure/Vacuum Sensor › Component Information › Technical Service Bulletins › MAP - Revised Check Chart for DTC's 33, 34, 63, 64234567891011
- Oxygen Sensor › Component Information › Technical Service Bulletins › Oxygen Sensors - Silica Contamination
- Throttle Position Sensor › Component Information › Locations
Vehicle Speed Sensor › Component Information3 pages
- Throttle Position Sensor › Component Information › Locations
Vehicle Speed Sensor › Component Information3 pages
Vehicle Speed Sensor Signal Buffer › Component Information3 pages
Fuel Delivery and Air Induction58 pages
- Fuel Pressure › Diagnostic Connector - Fuel Pump › Component Information › Locations
Idle Speed › System Information3 pages
Air Cleaner Housing › Air Filter Element › Component Information › Technical Service Bulletins4 pages
- Diagnostic Connector - Fuel Pump › Component Information › Locations
Fuel › Component Information › Technical Service Bulletins22 pages
All Technical Service Bulletins for Fuel:11 pages
- 05-06-04-022G › Oct › 10 › Fuel System - TOP TIER Detergent Gasoline (Canada)23
- 04-06-04-047I › Aug › 09 › Fuel System - 'TOP TIER' Detergent Gasoline Information2
- 570102 › Jun › 95 › Fuel - Reformulated/Oxygenated Gasolines
- 93966C › Feb › 93 › Fuel System - Factors That Affect Economy/Mileage2
- 93316C › Oct › 92 › Fuels - Effect of Volatility on Driveability2
- 892680B › Oct › 89 › Fuel - Use of Gasoline Containing 15 Percent MTBE
All Other Service Bulletins for Fuel:7 pages
- Fuel Filter › Component Information › Locations
Fuel Injector › Component Information › Technical Service Bulletins8 pages
- Customer Interest: › 266402R › May › 93 › Fuel - Injector Wires Trapped Under Air Cleaner2
All Technical Service Bulletins for Fuel Injector:4 pages
All Other Service Bulletins for Fuel Injector:2 pages
- Fuel Return Line › Component Information › Technical Service Bulletins › Fuel - Feed/Return Pipe Repair
- Fuel Supply Line › Component Information › Technical Service Bulletins › Fuel - Feed/Return Pipe Repair
- Fuel Tank › Auxiliary Fuel Tank Control <--> [Fuel Tank Selector Switch] › Component Information › Locations234
- Idle Speed/Throttle Actuator - Mechanical › Component Information › Locations
- Idle/Throttle Speed Control Unit › Component Information › Specifications
Relays and Modules - Fuel Delivery and Air Induction2 pages
Sensors and Switches - Fuel Delivery and Air Induction5 pages
- Throttle Position Sensor › Component Information › Locations
Ignition System20 pages
- Firing Order › Component Information › Specifications › Ignition Firing Order
- Distributor, Ignition › Component Information › Specifications234
Spark Plug Wire <--> [Ignition Cable] › Component Information › Technical Service Bulletins2 pages
- Ignition Coil › Component Information › Specifications234
- Ignition Control Module › Component Information › Service and Repair
- Knock Sensor › Component Information › Locations
- Pick-Up Coil, Ignition › Component Information › Specifications
- Relays and Modules - Ignition System › Ignition Control Module › Component Information › Service and Repair
- Sensors and Switches - Ignition System › Knock Sensor › Component Information › Locations
- Spark Plug › Component Information › Specifications › Torque2
Transmission Control Systems15 pages
Actuators and Solenoids - Transmission and Drivetrain › Actuators and Solenoids - A/T6 pages
- Pressure Regulating Solenoid, A/T › Component Information › Service and Repair
Detent Solenoid <--> [Shift Solenoid, A/T] › Component Information4 pages
- Torque Converter Clutch Solenoid, A/T › Component Information › Technical Service Bulletins › A/T TCC - MIL ON/False Code 32 Set Diagnostics
- Lamps and Indicators - Transmission and Drivetrain › Lamps and Indicators - A/T › Maintenance Indicator - A/T › Component Information › Technical Service Bulletins › A/T Fluid Level Indicator - Available
Sensors and Switches - Transmission and Drivetrain › Sensors and Switches - A/T8 pages
Fluid Pressure Sensor/Switch, A/T › Component Information › Technical Service Bulletins6 pages
Shift Interlock Switch › Component Information › Technical Service Bulletins2 pages
PROM - Programmable Read Only Memory › Component Information34 pages