944 L4-2681cc 2.7L (1989): Powertrain Management
Also for this vehicle: 944 L4-2479cc 2.5L (1984), 944 S L4-2479cc 2.5L DOHC (1987), 944 S2 Cabriolet L4-2990cc 3.0L DOHC (1991), 944 S2 Coupe L4-2990cc 3.0L DOHC (1990), 944 Turbo L4-2479cc 2.5L SOHC Turbo (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 Management21 pages
Relays and Modules - Computers and Control Systems11 pages
- Body Control Module › Component Information › Testing and Inspection › Diagnostic Trouble Code Descriptions
Engine Control Module › Component Information4 pages
- Knock Sensor Module › Component Information › Diagrams › Diagram Information and Instructions23
- Main Relay (Computer/Fuel System) › Component Information › Diagrams › Diagram Information and Instructions23
Relays and Modules - Fuel Delivery and Air Induction7 pages
- Relays and Modules - Ignition System › Ignition Control Module › Component Information › Diagrams › Diagram Information and Instructions23
Sensors and Switches - Powertrain Management61 pages
Sensors and Switches - Computers and Control Systems38 pages
Air Flow Meter/Sensor › Component Information7 pages
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications › Electrical Specifications2
Crankshaft Position Sensor › Component Information4 pages
- Exhaust Temperature Sensor › Component Information › Locations
Engine Speed Sensor › Component Information7 pages
- Intake Air Temperature Sensor › Component Information › Specifications2
Knock Sensor › Component Information4 pages
Oxygen Sensor › Component Information7 pages
- Throttle Position Switch › Component Information › Locations23
- Vehicle Speed Sensor › Component Information › Locations
Sensors and Switches - Emission Control Systems2 pages
Sensors and Switches - Fuel Delivery and Air Induction10 pages
Air Flow Meter/Sensor › Component Information7 pages
- Throttle Position Switch › Component Information › Locations23
Sensors and Switches - Ignition System11 pages
Crankshaft Position Sensor › Component Information4 pages
- Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Diagrams23
Knock Sensor › Component Information4 pages
Tune-up and Engine Performance Checks27 pages
- Fuel Pressure › System Information › Specifications › Mechanical Specifications2
- Air/Fuel Mixture › System Information › Technical Service Bulletins › CO Sample Pipe - Material and Mounting Change2
Idle Speed › System Information5 pages
- Air Cleaner Housing › Air Filter Element › Component Information › Service and Repair
- Fuel Filter › Fuel Pressure Release › System Information › Service Precautions
- Firing Order › Component Information › Specifications
- Ignition Cable › Component Information › Description and Operation
Spark Plug › Component Information4 pages
- Valve Clearance › System Information › System Diagnosis2
Computers and Control Systems102 pages
Air Flow Meter/Sensor › Component Information7 pages
- Intake Air Temperature Sensor › Component Information › Specifications2
- Body Control Module › Component Information › Testing and Inspection › Diagnostic Trouble Code Descriptions
- Exhaust Temperature Sensor › Component Information › Locations
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications › Electrical Specifications2
Crankshaft Position Sensor › Component Information4 pages
- Data Link Connector › Component Information › Locations
Engine Control Module › Component Information4 pages
Engine Speed Sensor › Component Information7 pages
- Idle Speed/Throttle Actuator - Electronic › Component Information › Locations23
Knock Sensor › Component Information4 pages
- Knock Sensor Module › Component Information › Diagrams › Diagram Information and Instructions23
- Main Relay (Computer/Fuel System) › Component Information › Diagrams › Diagram Information and Instructions23
Oxygen Sensor › Component Information7 pages
Relays and Modules - Computers and Control Systems11 pages
- Body Control Module › Component Information › Testing and Inspection › Diagnostic Trouble Code Descriptions
Engine Control Module › Component Information4 pages
- Knock Sensor Module › Component Information › Diagrams › Diagram Information and Instructions23
- Main Relay (Computer/Fuel System) › Component Information › Diagrams › Diagram Information and Instructions23
Sensors and Switches - Computers and Control Systems38 pages
Air Flow Meter/Sensor › Component Information7 pages
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications › Electrical Specifications2
Crankshaft Position Sensor › Component Information4 pages
- Exhaust Temperature Sensor › Component Information › Locations
Engine Speed Sensor › Component Information7 pages
- Intake Air Temperature Sensor › Component Information › Specifications2
Knock Sensor › Component Information4 pages
Oxygen Sensor › Component Information7 pages
- Throttle Position Switch › Component Information › Locations23
- Vehicle Speed Sensor › Component Information › Locations
- Throttle Position Switch › Component Information › Locations23
- Vehicle Speed Sensor › Component Information › Locations
Emission Control Systems14 pages
- Catalytic Converter › Exhaust Temperature Sensor › Component Information › Locations
- Emissions Maintenance Light › Emissions Maintenance Light Reset Switch/Connector › Component Information › Service and Repair
- Evaporative Emissions System › System Information › Specifications23456
- Positive Crankcase Ventilation › Component Information › Locations234
Sensors and Switches - Emission Control Systems2 pages
Fuel Delivery and Air Induction71 pages
- Fuel Pressure › System Information › Specifications › Mechanical Specifications2
- Fuel Pressure Release › System Information › Service Precautions
Idle Speed › System Information5 pages
- Air/Fuel Mixture › System Information › Technical Service Bulletins › CO Sample Pipe - Material and Mounting Change2
- Air Cleaner Housing › Air Filter Element › Component Information › Service and Repair
Air Flow Meter/Sensor › Component Information8 pages
Technical Service Bulletins5 pages
- Customer Interest: › 29003 › Mar › 90 › Air Flow Sensor Bolts - Loose2
- All Technical Service Bulletins: › 29003 › Mar › 90 › Air Flow Sensor Bolts - Loose2
- All Other Service Bulletins for Air Flow Meter/Sensor: › 18901 › Jan › 89 › Camshaft Drive - Replaced Parts Upon Belt Failure
- All Other Service Bulletins for Air Flow Meter/Sensor: › 18901 › Jan › 89 › Camshaft Drive - Replaced Parts Upon Belt Failure
- Diagrams › Diagram Information and Instructions23
- Altitude Compensator › Component Information › Locations
- Cold Start Injector › Component Information › Diagrams › Diagram Information and Instructions23
- Fuel › Component Information › Technical Service Bulletins › Exhaust System - Sulfur Like Smell
- Fuel Accumulator › Component Information › Description and Operation
- Fuel Filter › Fuel Pressure Release › System Information › Service Precautions
- Fuel Injector › Fuel Injector Resistor › Component Information › Locations
- Fuel Pressure Regulator › Component Information › Specifications23
- Fuel Pressure Pulsation Damper › Component Information › Specifications2
- Fuel Return Line › Component Information › Description and Operation
- Fuel Supply Line › Component Information › Description and Operation
- Fuel Tank › Component Information › Specifications2345
- Idle Speed/Throttle Actuator - Electronic › Component Information › Locations23
- Main Relay (Computer/Fuel System) › Component Information › Diagrams › Diagram Information and Instructions23
Relays and Modules - Fuel Delivery and Air Induction7 pages
Sensors and Switches - Fuel Delivery and Air Induction10 pages
Air Flow Meter/Sensor › Component Information7 pages
- Throttle Position Switch › Component Information › Locations23
- Throttle Position Switch › Component Information › Locations23
- Turbocharger › Turbocharger Coolant Pump Relay › Component Information › Locations
Ignition System45 pages
- Firing Order › Component Information › Specifications
- Calibration Resistor / Connector, Ignition › Component Information › Locations
Crankshaft Position Sensor › Component Information4 pages
- Ignition Cable › Component Information › Description and Operation
Ignition Coil › Component Information5 pages
- Ignition Control Module › Component Information › Diagrams › Diagram Information and Instructions23
Knock Sensor › Component Information4 pages
- Relays and Modules - Ignition System › Ignition Control Module › Component Information › Diagrams › Diagram Information and Instructions23
Sensors and Switches - Ignition System11 pages
Crankshaft Position Sensor › Component Information4 pages
- Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Diagrams23
Knock Sensor › Component Information4 pages
Spark Plug › Component Information4 pages