Spectrum L4-91.5 1.5L (1989): Powertrain Management
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 Management19 pages
Relays and Modules - Computers and Control Systems8 pages
Engine Control Module › Component Information6 pages
- Idle/Throttle Speed Control Unit › Component Information › Specifications
- Main Relay (Computer/Fuel System) › Component Information › Locations
- Relays and Modules - Emission Control Systems › EFE Relay › Component Information › Locations2
Relays and Modules - Fuel Delivery and Air Induction6 pages
- Choke Relay › Component Information › Locations2
- Fuel Pump Relay › Component Information › Description and Operation
- Fuel Shut-off Solenoid Relay › Component Information › Description and Operation
- Idle/Throttle Speed Control Unit › Component Information › Specifications
- Main Relay (Computer/Fuel System) › Component Information › Locations
- Relays and Modules - Ignition System › Ignition Control Module › Component Information › Description and Operation23
Sensors and Switches - Powertrain Management28 pages
Sensors and Switches - Computers and Control Systems19 pages
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications234
- Idle Speed Motor Position Sensor › Component Information › Locations
- Manifold Air Temperature (MAT) Sensor <--> [Intake Air Temperature Sensor] › Component Information › Specifications234
- Intake Air Temperature Switch › Component Information › Locations
- Oxygen Sensor › Component Information › Technical Service Bulletins › Oxygen Sensors - Silica Contamination
- Throttle Position Sensor › Component Information › Locations2345
- Throttle Position Switch › Component Information › Testing and Inspection2
- Vehicle Speed Sensor › Component Information › Description and Operation
Sensors and Switches - Fuel Delivery and Air Induction9 pages
Tune-up and Engine Performance Checks23 pages
- Fuel Pressure › System Information › Specifications
- Idle Speed › System Information › Specifications › Specification2
Air Cleaner Housing › Air Filter Element › Component Information › Technical Service Bulletins4 pages
- Fuel Filter › Component Information › Locations23
- Firing Order › Component Information › Specifications › Ignition Firing Order
- Spark Plug Wire <--> [Ignition Cable] › Component Information › Specifications23
- Distributor, Ignition › Component Information › Specifications2
- Spark Plug › Component Information › Specifications › Torque2
- Compression Check › System Information › Specifications
- Valve Clearance › System Information › Specifications › Valve Clearance Specifications2
Computers and Control Systems66 pages
- Manifold Air Temperature (MAT) Sensor <--> [Intake Air Temperature Sensor] › Component Information › Specifications234
- Intake Air Temperature Switch › Component Information › Locations
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications234
- Data Link Connector › Component Information › Description and Operation
Engine Control Module › Component Information6 pages
- Idle Speed Motor Position Sensor › Component Information › Locations
- Idle/Throttle Speed Control Unit › Component Information › Specifications
- Main Relay (Computer/Fuel System) › Component Information › Locations
- Malfunction Indicator Lamp › Component Information › Description and Operation2
Mixture Control Solenoid › Component Information4 pages
- Quad Driver <--> [Output Driver] › Component Information › Locations234
- Oxygen Sensor › Component Information › Technical Service Bulletins › Oxygen Sensors - Silica Contamination
Relays and Modules - Computers and Control Systems8 pages
Engine Control Module › Component Information6 pages
- Idle/Throttle Speed Control Unit › Component Information › Specifications
- Main Relay (Computer/Fuel System) › Component Information › Locations
Sensors and Switches - Computers and Control Systems19 pages
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications234
- Idle Speed Motor Position Sensor › Component Information › Locations
- Manifold Air Temperature (MAT) Sensor <--> [Intake Air Temperature Sensor] › Component Information › Specifications234
- Intake Air Temperature Switch › Component Information › Locations
- Oxygen Sensor › Component Information › Technical Service Bulletins › Oxygen Sensors - Silica Contamination
- Throttle Position Sensor › Component Information › Locations2345
- Throttle Position Switch › Component Information › Testing and Inspection2
- Vehicle Speed Sensor › Component Information › Description and Operation
- Tach Filter › Component Information › Description and Operation
- Throttle Position Sensor › Component Information › Locations2345
- Throttle Position Switch › Component Information › Testing and Inspection2
- Vehicle Speed Sensor › Component Information › Description and Operation
Emission Control Systems22 pages
Air Injection Reaction (AIR) System <--> [Air Injection]4 pages
- Catalytic Converter › Component Information › Description and Operation23
Evaporative Emissions System3 pages
- Exhaust Gas Recirculation › EGR Valve › Component Information › Locations2
- Positive Crankcase Ventilation › Positive Crankcase Ventilation Valve › Component Information › Locations
- Relays and Modules - Emission Control Systems › EFE Relay › Component Information › Locations2
- Thermostatic Air Cleaner › Thermostatic Air Cleaner Vacuum Motor › Component Information › Locations
- Vacuum Restrictor › Component Information › Locations
Fuel Delivery and Air Induction80 pages
- Fuel Pressure › System Information › Specifications
- Idle Speed › System Information › Specifications › Specification2
- Accelerator Controls <--> [Accelerator Pedal] › Accelerator Pedal Switch › Component Information › Adjustments
Air Cleaner Housing › Air Filter Element › Component Information › Technical Service Bulletins4 pages
- Altitude Switch <--> [Altitude Compensator] › Component Information › Locations › Altitude Switch23
Carburetor11 pages
- Vent Switching Valve, Evaporative Emission Control (EEC) <--> [Bowl Vent Solenoid] › Component Information › Description and Operation
- Carburetor Float › Component Information › Adjustments
- Carburetor Solenoid › Component Information › Testing and Inspection2
- Choke Pull-off › Component Information › Adjustments › Choke Unloader2
- Choke Relay › Component Information › Locations2
- Choke Thermostat/Heater › Component Information › Specifications2
- Thermal Vacuum Valve - Carb › Component Information › Locations
- Dashpot › Component Information › Locations
- Fuel › Component Information › Technical Service Bulletins › Fuel System - TOP TIER Detergent Gasoline (Canada)23456
- Fuel Filter › Component Information › Locations23
- Fuel Injector › Component Information › Technical Service Bulletins › Fuel System - Fuel Injector Maintenance Cleaning2
- Fuel Return Line › Component Information › Description and Operation23
- Fuel Shut-off Solenoid › Fuel Shut-off Solenoid Relay › Component Information › Description and Operation
- Fuel Supply Line › Component Information › Description and Operation23
Fuel Tank › Component Information9 pages
- Idle Speed Motor Position Sensor › Component Information › Locations
- Idle/Throttle Speed Control Unit › Component Information › Specifications
- Main Relay (Computer/Fuel System) › Component Information › Locations
Relays and Modules - Fuel Delivery and Air Induction6 pages
- Choke Relay › Component Information › Locations2
- Fuel Pump Relay › Component Information › Description and Operation
- Fuel Shut-off Solenoid Relay › Component Information › Description and Operation
- Idle/Throttle Speed Control Unit › Component Information › Specifications
- Main Relay (Computer/Fuel System) › Component Information › Locations
Sensors and Switches - Fuel Delivery and Air Induction9 pages
- Throttle Body › Component Information › Service and Repair
- Throttle Cable/Linkage › Component Information › Adjustments2
- Throttle Position Sensor › Component Information › Locations2345
- Throttle Position Switch › Component Information › Testing and Inspection2
Ignition System25 pages
- Firing Order › Component Information › Specifications › Ignition Firing Order
- Distributor, Ignition › Component Information › Specifications2
- Spark Plug Wire <--> [Ignition Cable] › Component Information › Specifications23
Ignition Coil › Component Information3 pages
- Ignition Control Module › Component Information › Description and Operation23
- Pick-Up Coil, Ignition › Component Information › Specifications › Electrical Specifications2
- Relays and Modules - Ignition System › Ignition Control Module › Component Information › Description and Operation23
- Spark Plug › Component Information › Specifications › Torque2
- Tach Filter › Component Information › Description and Operation
- Tachometer Connector › Component Information › Locations
- Vacuum Advance Control Solenoid › Component Information › Description and Operation
- Vacuum Restrictor › Component Information › Locations
Transmission Control Systems6 pages
Lamps and Indicators - Transmission and Drivetrain › Lamps and Indicators - A/T › Shift Indicator › Component Information5 pages
- Sensors and Switches - Transmission and Drivetrain › Sensors and Switches - A/T › Shift Interlock Switch › Component Information › Service and Repair