Spectrum L4-91.5 1.5L (1985): Powertrain Management
Also for this vehicle: Spectrum-Import L4-91.5 1509cc 1.5L Turbo VIN 9 FI (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 Management42 pages
Relays and Modules - Computers and Control Systems34 pages
Engine Control Module › Component Information33 pages
Technical Service Bulletins30 pages
- Customer Interest: › 85217 › Jan › 87 › Engine Controls - Driveability, Hesitation, Sag or Surge23
All Technical Service Bulletins for Engine Control Module:15 pages
- 04-06-04-054B › Nov › 10 › Engine Controls - Aftermarket Accessory Usage2
- 913846E › Aug › 91 › ECM/PCM - Damaged and/or Misdiagnosed
- 893246E › Feb › 91 › PROM - R&R Procedures & Precautions234
- 8842 › Sep › 87 › Engine Controls - ECM May Contain Wrong PROM
- 87150 › May › 87 › ECM - Revised Replacement Procedure234
- 85217 › Jan › 87 › Engine Controls - Driveability, Hesitation, Sag or Surge23
All Other Service Bulletins for Engine Control Module:12 pages
- 04-06-04-054B › Nov › 10 › Engine Controls - Aftermarket Accessory Usage2
- 913846E › Aug › 91 › ECM/PCM - Damaged and/or Misdiagnosed
- 893246E › Feb › 91 › PROM - R&R Procedures & Precautions234
- 8842 › Sep › 87 › Engine Controls - ECM May Contain Wrong PROM
- 87150 › May › 87 › ECM - Revised Replacement Procedure234
- Diagrams › Connector Description2
- Testing and Inspection › Component Tests and General Diagnostics
- Idle/Throttle Speed Control Unit › Component Information › Specifications
- Relays and Modules - Emission Control Systems › EFE Relay › Component Information › Locations23
Relays and Modules - Fuel Delivery and Air Induction4 pages
- Relays and Modules - Ignition System › Ignition Control Module › Component Information › Testing and Inspection
Sensors and Switches - Powertrain Management27 pages
Sensors and Switches - Computers and Control Systems23 pages
- Altitude Switch <--> [Barometric Pressure Switch] › Component Information › Description and Operation
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications2
- Manifold Air Temperature (MAT) Sensor <--> [Intake Air Temperature Sensor] › Component Information › Specifications2
- Air Inlet Temperature Switch <--> [Intake Air Temperature Switch] › Component Information › Locations2
- 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 › Specifications234
- Sensors and Switches - Fuel Delivery and Air Induction › Throttle Position Sensor › Component Information › Specifications234
Tune-up and Engine Performance Checks20 pages
- Fuel Pressure › System Information › Specifications
- Idle Speed › System Information › Specifications2
Air Cleaner Housing › Air Filter Element › Component Information › Technical Service Bulletins4 pages
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
- Firing Order › Component Information › Specifications › Ignition Firing Order
Spark Plug Wire <--> [Ignition Cable] › Component Information › Technical Service Bulletins2 pages
Distributor, Ignition › Distributor Vacuum Control › Component Information › Technical Service Bulletins2 pages
- Spark Plug › Component Information › Specifications › Torque2
- Compression Check › System Information › Specifications
- Valve Clearance › System Information › Specifications › Valve Clearance Specifications2
Computers and Control Systems122 pages
- Manifold Air Temperature (MAT) Sensor <--> [Intake Air Temperature Sensor] › Component Information › Specifications2
- Air Inlet Temperature Switch <--> [Intake Air Temperature Switch] › Component Information › Locations2
- Altitude Switch <--> [Barometric Pressure Switch] › Component Information › Description and Operation
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications2
- Data Link Connector › Component Information › Locations
Engine Control Module › Component Information33 pages
Technical Service Bulletins30 pages
- Customer Interest: › 85217 › Jan › 87 › Engine Controls - Driveability, Hesitation, Sag or Surge23
All Technical Service Bulletins for Engine Control Module:15 pages
- 04-06-04-054B › Nov › 10 › Engine Controls - Aftermarket Accessory Usage2
- 913846E › Aug › 91 › ECM/PCM - Damaged and/or Misdiagnosed
- 893246E › Feb › 91 › PROM - R&R Procedures & Precautions234
- 8842 › Sep › 87 › Engine Controls - ECM May Contain Wrong PROM
- 87150 › May › 87 › ECM - Revised Replacement Procedure234
- 85217 › Jan › 87 › Engine Controls - Driveability, Hesitation, Sag or Surge23
All Other Service Bulletins for Engine Control Module:12 pages
- 04-06-04-054B › Nov › 10 › Engine Controls - Aftermarket Accessory Usage2
- 913846E › Aug › 91 › ECM/PCM - Damaged and/or Misdiagnosed
- 893246E › Feb › 91 › PROM - R&R Procedures & Precautions234
- 8842 › Sep › 87 › Engine Controls - ECM May Contain Wrong PROM
- 87150 › May › 87 › ECM - Revised Replacement Procedure234
- Diagrams › Connector Description2
- Testing and Inspection › Component Tests and General Diagnostics
- Idle/Throttle Speed Control Unit › Component Information › Specifications
- 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 › Technical Service Bulletins2 pages
- Oxygen Sensor › Component Information › Technical Service Bulletins › Oxygen Sensors - Silica Contamination
Relays and Modules - Computers and Control Systems34 pages
Engine Control Module › Component Information33 pages
Technical Service Bulletins30 pages
- Customer Interest: › 85217 › Jan › 87 › Engine Controls - Driveability, Hesitation, Sag or Surge23
All Technical Service Bulletins for Engine Control Module:15 pages
- 04-06-04-054B › Nov › 10 › Engine Controls - Aftermarket Accessory Usage2
- 913846E › Aug › 91 › ECM/PCM - Damaged and/or Misdiagnosed
- 893246E › Feb › 91 › PROM - R&R Procedures & Precautions234
- 8842 › Sep › 87 › Engine Controls - ECM May Contain Wrong PROM
- 87150 › May › 87 › ECM - Revised Replacement Procedure234
- 85217 › Jan › 87 › Engine Controls - Driveability, Hesitation, Sag or Surge23
All Other Service Bulletins for Engine Control Module:12 pages
- 04-06-04-054B › Nov › 10 › Engine Controls - Aftermarket Accessory Usage2
- 913846E › Aug › 91 › ECM/PCM - Damaged and/or Misdiagnosed
- 893246E › Feb › 91 › PROM - R&R Procedures & Precautions234
- 8842 › Sep › 87 › Engine Controls - ECM May Contain Wrong PROM
- 87150 › May › 87 › ECM - Revised Replacement Procedure234
- Diagrams › Connector Description2
- Testing and Inspection › Component Tests and General Diagnostics
- Idle/Throttle Speed Control Unit › Component Information › Specifications
Sensors and Switches - Computers and Control Systems23 pages
- Altitude Switch <--> [Barometric Pressure Switch] › Component Information › Description and Operation
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications2
- Manifold Air Temperature (MAT) Sensor <--> [Intake Air Temperature Sensor] › Component Information › Specifications2
- Air Inlet Temperature Switch <--> [Intake Air Temperature Switch] › Component Information › Locations2
- 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 › Specifications234
- Upshift Indicator <--> [Shift Light] › Component Information › Description and Operation2
- Throttle Position Sensor › Component Information › Specifications234
Emission Control Systems24 pages
Catalytic Converter › Component Information › Technical Service Bulletins2 pages
- Deceleration Valve › Component Information › Testing and Inspection
- Early Fuel Evaporation (EFE) › EFE Relay › Component Information › Locations23
Evaporative Emissions System › System Information8 pages
- Exhaust Gas Recirculation › EGR Valve › Component Information › Locations
- Positive Crankcase Ventilation › Component Information › Technical Service Bulletins › Engine - No Start or High Idle When Restarted2
- Relays and Modules - Emission Control Systems › EFE Relay › Component Information › Locations23
- Thermostatic Air Cleaner › Component Information › Description and Operation234
Fuel Delivery and Air Induction87 pages
- Fuel Pressure › System Information › Specifications
- Fuel Pressure Release › System Information › Service and Repair
- Idle Speed › System Information › Specifications2
Air Cleaner Housing › Air Filter Element › Component Information › Technical Service Bulletins4 pages
- Altitude Compensator › Component Information › Testing and Inspection
Carburetor14 pages
- Carburetor Float › Component Information › Adjustments
- Carburetor Solenoid › Component Information › Locations
- Choke Plate › Component Information › Adjustments
- Choke Pull-off › Component Information › Adjustments
- Choke Relay › Component Information › Locations23
- Thermal Vacuum Valve - Carb › Component Information › Locations
Throttle Plate - Carb. › Component Information6 pages
Fuel › Component Information › Technical Service Bulletins30 pages
All Technical Service Bulletins for Fuel:15 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
- 85626CVIM › Apr › 85 › Fuel - No Start, Driveability, Excessive Alcohol Content234
All Other Service Bulletins for Fuel:7 pages
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
- Fuel Injector › Component Information › Technical Service Bulletins › Fuel System - Fuel Injector Maintenance Cleaning23
- Fuel Pump › Fuel Pressure › System Information › Specifications
- Fuel Return Line › Component Information › Technical Service Bulletins › Fuel - Line O Rings Precaution2
- Fuel Shut-off Solenoid › Component Information › Locations
- Fuel Supply Line › Component Information › Technical Service Bulletins › Fuel - Line O Rings Precaution2
Fuel Tank › Component Information5 pages
- Idle/Throttle Speed Control Unit › Component Information › Specifications
Relays and Modules - Fuel Delivery and Air Induction4 pages
- Sensors and Switches - Fuel Delivery and Air Induction › Throttle Position Sensor › Component Information › Specifications234
Throttle Cable/Linkage › Component Information › Technical Service Bulletins6 pages
- Throttle Position Sensor › Component Information › Specifications234
Ignition System15 pages
- Firing Order › Component Information › Specifications › Ignition Firing Order
Distributor, Ignition › Distributor Vacuum Control › Component Information › Technical Service Bulletins2 pages
Spark Plug Wire <--> [Ignition Cable] › Component Information › Technical Service Bulletins2 pages
- Ignition Coil › Component Information › Specifications2
- Ignition Control Module › Component Information › Testing and Inspection
- Pick-Up Coil, Ignition › Component Information › Specifications2
- Relays and Modules - Ignition System › Ignition Control Module › Component Information › Testing and Inspection
- Spark Plug › Component Information › Specifications › Torque2
PROM - Programmable Read Only Memory › Component Information57 pages
Technical Service Bulletins16 pages
- Customer Interest: › 85217 › Jan › 87 › Engine Controls - Driveability, Hesitation, Sag or Surge23
All Technical Service Bulletins for PROM - Programmable Read Only Memory:8 pages
All Other Service Bulletins for PROM - Programmable Read Only Memory:5 pages
- Description and Operation › CALPAK2345
- Service and Repair › CALPAK2345