80 L5-2309cc 2.3L SOHC (NG) (1991): Powertrain Management
Also for this vehicle: 80 L4-1984cc 2.0L SOHC (3A) (1989), 80 Quattro L5-2309cc 2.3L SOHC (NG) (1988).
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 Management45 pages
Relays and Modules - Computers and Control Systems › Engine Control Module › Component Information25 pages
- Relays and Modules - Ignition System › Ignition Control Module › Component Information › Locations2345
Sensors and Switches - Powertrain Management238 pages
Sensors and Switches - Computers and Control Systems127 pages
Air Flow Meter/Sensor › Component Information26 pages
- Air Flow Sensor Plate Position Sensor › Component Information › Technical Service Bulletins › Sensor Plate Potentiometer - Checking, Adjusting234
Barometric Pressure Sensor › Component Information › Technical Service Bulletins4 pages
- EGR Valve Position Sensor › Component Information › Diagrams2
- Engine Speed Sensor › Component Information › Description and Operation
- Ignition Hall Effect Sensor › Component Information › Description and Operation2345
Knock Sensor › Component Information21 pages
Technical Service Bulletins6 pages
Sensors and Switches - Emission Control Systems5 pages
Sensors and Switches - Ignition System44 pages
- Ignition Hall Effect Sensor › Component Information › Description and Operation2345
- Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Service and Repair
Knock Sensor › Component Information21 pages
Technical Service Bulletins6 pages
Tune-up and Engine Performance Checks35 pages
- Fuel Pressure › System Information › Specifications23
- Air/Fuel Mixture › System Information › Specifications23456
- Idle Speed › System Information › Specifications23456
Air Cleaner Housing › Air Filter Element › Component Information › Technical Service Bulletins2 pages
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
- Firing Order › Component Information › Specifications
- Ignition Timing › Number One Cylinder › Component Information › Locations
Ignition Cable › Component Information › Technical Service Bulletins4 pages
Distributor, Ignition4 pages
- Spark Plug › Component Information › Description and Operation2345
- Valve Clearance › System Information › Specifications2
Computers and Control Systems325 pages
- A/C Signal › Component Information › Description and Operation2
Air Flow Meter/Sensor › Component Information26 pages
- Air Flow Sensor Plate Position Sensor › Component Information › Technical Service Bulletins › Sensor Plate Potentiometer - Checking, Adjusting234
Barometric Pressure Sensor › Component Information › Technical Service Bulletins4 pages
- EGR Valve Position Sensor › Component Information › Diagrams2
Engine Control Module › Component Information25 pages
- Engine Speed Sensor › Component Information › Description and Operation
- Ignition Hall Effect Sensor › Component Information › Description and Operation2345
Knock Sensor › Component Information21 pages
Technical Service Bulletins6 pages
- Malfunction Indicator Lamp › Component Information › Description and Operation2
Relays and Modules - Computers and Control Systems › Engine Control Module › Component Information25 pages
Sensors and Switches - Computers and Control Systems127 pages
Air Flow Meter/Sensor › Component Information26 pages
- Air Flow Sensor Plate Position Sensor › Component Information › Technical Service Bulletins › Sensor Plate Potentiometer - Checking, Adjusting234
Barometric Pressure Sensor › Component Information › Technical Service Bulletins4 pages
- EGR Valve Position Sensor › Component Information › Diagrams2
- Engine Speed Sensor › Component Information › Description and Operation
- Ignition Hall Effect Sensor › Component Information › Description and Operation2345
Knock Sensor › Component Information21 pages
Technical Service Bulletins6 pages
Emission Control Systems45 pages
Catalytic Converter › Component Information › Technical Service Bulletins2 pages
- Emissions Maintenance Light › Component Information › Service and Repair
Evaporative Emissions System23 pages
- Positive Crankcase Ventilation › Component Information › Description and Operation2
Sensors and Switches - Emission Control Systems5 pages
- Thermostatic Air Cleaner › Component Information › Description and Operation2
Fuel Delivery and Air Induction265 pages
- Fuel Pressure › System Information › Specifications23
- Fuel Pressure Release › System Information › Service and Repair
- Idle Speed › System Information › Specifications23456
- Air/Fuel Mixture › System Information › Specifications23456
- Accelerator Pedal › Component Information › Description and Operation2
Air Cleaner Housing › Air Filter Element › Component Information › Technical Service Bulletins2 pages
Air Flow Meter/Sensor › Component Information26 pages
Differential Pressure Regulator › Component Information4 pages
- Fuel › Component Information › Specifications
- Fuel Accumulator › Component Information › Locations23
Fuel Distributor › Component Information › Technical Service Bulletins4 pages
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
Fuel Injector › Fuel Injector O-Ring › Component Information › Technical Service Bulletins2 pages
- Fuel Pressure Regulator › Component Information › Specifications › Electrical Specifications2
- Fuel Return Line › Component Information › Description and Operation
- Fuel Shut-off Solenoid › Component Information › Testing and Inspection2
- Fuel Supply Line › Component Information › Description and Operation2
Fuel Tank › Fuel Gauge Sender › Component Information23 pages
Technical Service Bulletins8 pages
- Fuel Tank Unit › Component Information › Tools and Equipment
- Rollover Valve, Fuel Tank › Component Information › Locations23
- Throttle Body › Component Information › Description and Operation2
- Throttle Cable/Linkage › Component Information › Description and Operation23
- Throttle Full Open Switch HVAC › Component Information › Testing and Inspection › With 3 Speed Automatic Transmission23456
Ignition System130 pages
- Firing Order › Component Information › Specifications
- Ignition Timing › Number One Cylinder › Component Information › Locations
- Ignition Coil Wire › Component Information › Specifications
Distributor, Ignition4 pages
Ignition Cable › Component Information › Technical Service Bulletins6 pages
- Customer Interest: › 2892012
- All Technical Service Bulletins: › 2892012
- All Other Service Bulletins for Ignition Cable: › 8793022
- All Other Service Bulletins for Ignition Cable: › 879302
- Ignition Control Module › Component Information › Locations2345
Knock Sensor › Component Information21 pages
Technical Service Bulletins6 pages
- Ignition Power Stage › Component Information › Locations23
- Relays and Modules - Ignition System › Ignition Control Module › Component Information › Locations2345
Sensors and Switches - Ignition System44 pages
- Ignition Hall Effect Sensor › Component Information › Description and Operation2345
- Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Service and Repair
Knock Sensor › Component Information21 pages
Technical Service Bulletins6 pages
- Spark Plug › Component Information › Description and Operation2345
Transmission Control Systems70 pages
- Actuators and Solenoids - Transmission and Drivetrain › Actuators and Solenoids - A/T › Shift Interlock Solenoid › Component Information › Locations
Relays and Modules - Transmission and Drivetrain › Relays and Modules - A/T38 pages
Control Module, A/T › Component Information23 pages
Sensors and Switches - Transmission and Drivetrain › Sensors and Switches - A/T31 pages