LeSabre V6-181 3.0L (1986): Powertrain Management

Also for this vehicle: LeSabre Estate Wagon V8-307 5.0L (1983), LeSabre Estate Wagon V8-350 5.7L DSL (1982), LeSabre V6-231 3.8L (1983), LeSabre V6-231 3.8L VIN 3 SFI (1988), LeSabre V6-231 3.8L VIN A 2-bbl (1984), LeSabre V6-231 3.8L VIN B FI (1986), LeSabre V6-231 3.8L VIN C SFI (1990), LeSabre V6-231 3.8L VIN L SFI (1992), LeSabre V6-252 4.1L (1982), LeSabre V6-3.8L VIN K (1996), LeSabre V8-307 5.0L (1983), LeSabre V8-307 5.0L VIN Y 4-bbl (1984), LeSabre V8-350 5.7L DSL (1982).

Diagnostics Maintenance Engine Transmission Brakes Electrical Steering & suspension Heating & A/C Body & interior

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01Relays and Modules Relays and Modules: Sections
02Sensors and Switches Sensors and Switches: Sections
03Maintenance Maintenance: Sections
04Engine, Cooling and Exhaust Engine, Cooling and Exhaust: Sections
05Powertrain Management Powertrain Management: Sections
- Relays and Modules - Powertrain Management25 pages
  - Relays and Modules - Computers and Control Systems17 pages
    Electronic Spark Timing <--> [Electronic Spark Control Module] › Component Information › Testing and Inspection › 1985-87 V6-181/3.0L Carbureted Models2
    Engine Control Module › Component Information14 pages
    Technical Service Bulletins › Engine Controls - Aftermarket Accessory Usage2 3
    Description and Operation › Modes of Operation › Acceleration Mode2 3 4 5 6 7
    Testing and Inspection › Component Tests and General Diagnostics › Chart C-1 ECM Quad Driver (QDR) Check2 3 4
    Idle Speed Control Motor <--> [Idle/Throttle Speed Control Unit] › Component Information › Specifications
  - Relays and Modules - Fuel Delivery and Air Induction2 pages
    Fuel Pump Relay › Component Information › Locations
    Idle Speed Control Motor <--> [Idle/Throttle Speed Control Unit] › Component Information › Specifications
  - Relays and Modules - Ignition System6 pages
    Electronic Spark Timing <--> [Electronic Spark Control Module] › Component Information › Testing and Inspection › 1985-87 V6-181/3.0L Carbureted Models2
    Ignition Control Module › Component Information4 pages
    Technical Service Bulletins2 pages
    Customer Interest for Ignition Control Module: › 866D4
    All Technical Service Bulletins for Ignition Control Module: › 866D4
    Diagrams › Diagram Information and Instructions2
- Sensors and Switches - Powertrain Management60 pages
  - Sensors and Switches - Computers and Control Systems43 pages
    Air Flow Meter/Sensor › Component Information › Locations2 3
    Absolute Pressure Sensor <--> [Barometric Pressure Sensor] › Component Information › Specifications
    Camshaft Position Sensor › Component Information › Locations2 3
    Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications2
    Dual Crankshaft Sensor <--> [Crankshaft Position Sensor] › Component Information3 pages
    Technical Service Bulletins › Engine Controls - Use of Crank Sensor Adjusting Tool
    Locations › Crankshaft Position (CKP) Sensor2
    Manifold Air Temperature (MAT) Sensor <--> [Intake Air Temperature Sensor] › Component Information › Specifications2 3
    Knock Sensor › Component Information › Locations › Electronic Spark Control Module2
    Manifold Pressure/Vacuum Sensor › Component Information › Technical Service Bulletins › MAP - Revised Chart C-1D, DTC's 33, 34, 63, 642 3 4 5 6 7 8 9 10 11
    Oxygen Sensor › Component Information › Technical Service Bulletins › Oxygen Sensors - Silica Contamination
    Power Steering Pressure Switch › Component Information › Locations2 3 4
    Throttle Position Sensor › Component Information › Specifications2 3 4 5
    Transmission Position Switch/Sensor, A/T › Component Information › Description and Operation2 3
    Vehicle Speed Sensor › Component Information › Locations2
  - Sensors and Switches - Fuel Delivery and Air Induction9 pages
    Air Flow Meter/Sensor › Component Information › Locations2 3
    Oil Pressure Switch (For Fuel Pump) › Component Information › Locations
    Throttle Position Sensor › Component Information › Specifications2 3 4 5
  - Sensors and Switches - Ignition System8 pages
    Camshaft Position Sensor › Component Information › Locations2 3
    Dual Crankshaft Sensor <--> [Crankshaft Position Sensor] › Component Information3 pages
    Technical Service Bulletins › Engine Controls - Use of Crank Sensor Adjusting Tool
    Locations › Crankshaft Position (CKP) Sensor2
    Knock Sensor › Component Information › Locations › Electronic Spark Control Module2
- Tune-up and Engine Performance Checks52 pages
  - Fuel Pressure › System Information8 pages
    Specifications2
    System Diagnosis › Component Diagnostic Charts2 3 4 5 6
  - Air/Fuel Mixture › System Information › Technical Service Bulletins4 pages
    Customer Interest for Air/Fuel Mixture: › 876F1
    By Symptom2 pages
    Customer Interest for Air/Fuel Mixture: › 876F1
    Odors for Air/Fuel Mixture: › 876F1
    All Technical Service Bulletins for Air/Fuel Mixture: › 876F1
  - Idle Speed › System Information5 pages
    Specifications › Idle Speed2
    Adjustments › Fast Idle Speed2 3
  - Air Cleaner Housing › Air Filter Element › Component Information › Technical Service Bulletins4 pages
    Customer Interest for Air Filter Element: › 04-07-30-013B2
    All Technical Service Bulletins for Air Filter Element: › 04-07-30-013B2
  - Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
  - Firing Order › Component Information › Specifications › Ignition Firing Order
  - Ignition Timing › Number One Cylinder › Component Information › Locations › Number 1 Cylinder Location
  - Spark Plug Wire <--> [Ignition Cable] › Component Information › Technical Service Bulletins2 pages
    Customer Interest for Spark Plug Wire: › 93356D
    All Technical Service Bulletins for Spark Plug Wire: › 93356D
  - Distributor, Ignition21 pages
    Distributor Retard Control › Component Information › Description and Operation › Distributor Spark Vacuum Retard Delay Valve (DS-VRDV)2
    Distributor Vacuum Control › Component Information15 pages
    Description and Operation › Distributor Spark Vacuum Modulator Valve (DS-VMV)2 3 4 5 6 7 8 9 10 11 12
    Testing and Inspection › Distributor Vacuum Modulator Valve (DVMV)2 3
    Vacuum Spark Delay Valve › Component Information › Description and Operation › Delay Valve Trapped Spark (DV-TS)2 3 4
  - Spark Plug › Component Information › Specifications › Torque2
  - Compression Check › System Information › Specifications
  - Valve Clearance › System Information › Specifications2
- Computers and Control Systems136 pages
- Emission Control Systems76 pages
  - Managed Air Injection Reactor (MAIR) <--> [Air Injection]21 pages
    Electric Divert/Electric Air Switching (ED/ES) <--> [Air Diverter Valve] › Component Information › Description and Operation › Diverter Valve2 3 4 5 6 7 8
    Air Injection Check Valve › Component Information › Testing and Inspection
    Air Injection Control Valve › Component Information › Description and Operation › Electric Air Control & Electric Air Switching (EAC/ES)2 3 4
    Air Injection Filter › Component Information › Service and Repair
    Air Injection Pump › Component Information › Testing and Inspection2 3
    Pulsair Valve, Secondary Air Injection › Component Information › Description and Operation › Pulse Air Injection Reaction (Pair, Pulsair)2
    Differential Vacuum Delay & Separator Valve <--> [Vacuum Delay Valve, Air Injection] › Component Information › Description and Operation2
  - Catalytic Converter › Component Information8 pages
    Technical Service Bulletins5 pages
    Customer Interest: › 876F1
    All Technical Service Bulletins: › 876F12
    All Other Service Bulletins for Catalytic Converter: › 877440122
    All Other Service Bulletins for Catalytic Converter: › 87744012
    Service and Repair › Catalyst Removal2 3
  - Early Fuel Evaporation (EFE)6 pages
    Thermal Vacuum Valve, EFE › Component Information › Description and Operation › Early Fuel Evaporation Distributor TVS (EFE-DTVS)2 3 4
    Vacuum Check Valve, EFE › Component Information › Description and Operation › Early Fuel Evaporation Check Valve (EFE-CV)2
  - Evaporative Emissions System17 pages
    Bowl Vent Valve › Component Information › Testing and Inspection
    Canister Purge Control Valve › Component Information4 pages
    Description and Operation
    Testing and Inspection › Canister Purge Valve2 3
    Canister Purge Solenoid › Component Information › Locations2
    Evaporative Emission Control Canister › Component Information › Description and Operation2 3 4 5
    Thermal Vacuum Valve - EVAP › Component Information5 pages
    Description and Operation › Canister Purge Thermal Vacuum Switch (CP-TVS)2 3
    Testing and Inspection › Canister Purge Thermal Vacuum Switch (CP-TVS)2
  - Exhaust Gas Recirculation16 pages
    EGR Vacuum Solenoid Valve <--> [EGR Control Solenoid] › Component Information › Locations2
    EGR Valve › Component Information › Locations2 3
    Thermal Vacuum Valve, EGR › Component Information10 pages
    Description and Operation › EGR Canister Purge Thermal Vacuum Switch (EGR-CP-TVS)2 3 4 5
    Testing and Inspection › EGR Canister Purge Thermal Vacuum Switch (EGR-CP-TVS)2 3 4 5
    Vacuum Delay Valve, EGR › Component Information › Description and Operation
  - Positive Crankcase Ventilation › Component Information › Description and Operation2 3 4 5
  - Thermostatic Air Cleaner › Thermostatic Air Cleaner Vacuum Switch › Component Information › Description and Operation › Thermac Secondary Vacuum Break Thermal Vacuum Switch (SVB-TVS)2 3
- Fuel Delivery and Air Induction107 pages
  - Fuel Pressure › System Information8 pages
    Specifications2
    System Diagnosis › Component Diagnostic Charts2 3 4 5 6
  - Fuel Pressure Release › System Information › Service and Repair
  - Idle Speed › System Information5 pages
    Specifications › Idle Speed2
    Adjustments › Fast Idle Speed2 3
  - Air/Fuel Mixture › System Information › Technical Service Bulletins4 pages
    Customer Interest for Air/Fuel Mixture: › 876F1
    By Symptom2 pages
    Customer Interest for Air/Fuel Mixture: › 876F1
    Odors for Air/Fuel Mixture: › 876F1
    All Technical Service Bulletins for Air/Fuel Mixture: › 876F1
  - Air Cleaner Housing › Air Filter Element › Component Information › Technical Service Bulletins6 pages
    Customer Interest: › 04-07-30-013B2
    All Technical Service Bulletins: › 04-07-30-013B2
    All Other Service Bulletins for Air Filter Element: › 9010412
    All Other Service Bulletins for Air Filter Element: › 901041
  - Air Flow Meter/Sensor › Component Information › Locations2 3
  - Carburetor › Thermal Vacuum Valve - Carb › Component Information8 pages
    Description and Operation › Choke Vacuum Break Distributor Thermal Vacuum Switch2 3 4
    Testing and Inspection › Choke Vacuum Break Thermal Vacuum Switch (CVB-TVS)2 3 4
  - Fuel › Component Information › Technical Service Bulletins14 pages
    Customer Interest: › 876F1
    All Technical Service Bulletins: › 05-06-04-022G2 3 4 5 6 7 8 9 10 11
    All Other Service Bulletins for Fuel: › 9274T6032
    All Other Service Bulletins for Fuel: › 9274T603
  - Fuel Filler Cap › Component Information › Description and Operation
  - Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
  - Fuel Injector › Component Information16 pages
    Technical Service Bulletins11 pages
    Customer Interest: › 866C1
    All Technical Service Bulletins: › 04-06-04-051B2 3 4 5 6
    All Other Service Bulletins for Fuel Injector: › 90744092 3 4
    All Other Service Bulletins for Fuel Injector: › 9074409
    Specifications › Injector Resistance, Application Chart & J-39021 Tester Values2
    Testing and Inspection › Chart C-2A Injector Balance Test - PFI2 3
  - Fuel Pressure Regulator › Component Information › Description and Operation
  - Fuel Pump9 pages
    Fuel Pressure › System Information8 pages
    Specifications2
    System Diagnosis › Component Diagnostic Charts2 3 4 5 6
    Fuel Pump Relay › Component Information › Locations
  - Fuel Rail › Component Information › Description and Operation2
  - Fuel Return Line › Component Information › Technical Service Bulletins › Fuel - Feed/Return Pipe Repairs
  - Fuel Supply Line › Component Information › Technical Service Bulletins › Fuel - Feed/Return Pipe Repairs
  - Fuel Tank › Fuel Tank Pressure Release Valve › Component Information › Description and Operation
  - Idle Speed/Throttle Actuator - Electronic › Component Information › Locations2 3 4 5 6
  - Idle Speed Control Motor <--> [Idle/Throttle Speed Control Unit] › Component Information › Specifications
  - Oil Pressure Switch (For Fuel Pump) › Component Information › Locations
  - Relays and Modules - Fuel Delivery and Air Induction2 pages
    Fuel Pump Relay › Component Information › Locations
    Idle Speed Control Motor <--> [Idle/Throttle Speed Control Unit] › Component Information › Specifications
  - Sensors and Switches - Fuel Delivery and Air Induction9 pages
    Air Flow Meter/Sensor › Component Information › Locations2 3
    Oil Pressure Switch (For Fuel Pump) › Component Information › Locations
    Throttle Position Sensor › Component Information › Specifications2 3 4 5
  - Throttle Body › Component Information › Description and Operation
  - Throttle Position Sensor › Component Information › Specifications2 3 4 5
- Ignition System77 pages
  - Firing Order › Component Information › Specifications › Ignition Firing Order
  - Ignition Timing › Number One Cylinder › Component Information › Locations › Number 1 Cylinder Location
  - Camshaft Position Sensor › Component Information › Locations2 3
  - Dual Crankshaft Sensor <--> [Crankshaft Position Sensor] › Component Information3 pages
    Technical Service Bulletins › Engine Controls - Use of Crank Sensor Adjusting Tool
    Locations › Crankshaft Position (CKP) Sensor2
  - Distributor, Ignition21 pages
    Distributor Retard Control › Component Information › Description and Operation › Distributor Spark Vacuum Retard Delay Valve (DS-VRDV)2
    Distributor Vacuum Control › Component Information15 pages
    Description and Operation › Distributor Spark Vacuum Modulator Valve (DS-VMV)2 3 4 5 6 7 8 9 10 11 12
    Testing and Inspection › Distributor Vacuum Modulator Valve (DVMV)2 3
    Vacuum Spark Delay Valve › Component Information › Description and Operation › Delay Valve Trapped Spark (DV-TS)2 3 4
  - Electronic Spark Timing <--> [Electronic Spark Control Module] › Component Information › Testing and Inspection › 1985-87 V6-181/3.0L Carbureted Models2
  - Spark Plug Wire <--> [Ignition Cable] › Component Information › Technical Service Bulletins2 pages
    Customer Interest for Spark Plug Wire: › 93356D
    All Technical Service Bulletins for Spark Plug Wire: › 93356D
  - Ignition Coil › Component Information4 pages
    Specifications › C3I Ignition System2
    Diagrams › Diagram Information and Instructions2
  - Ignition Control Module › Component Information6 pages
    Technical Service Bulletins4 pages
    Customer Interest: › 866D4
    All Technical Service Bulletins: › 866D4
    All Other Service Bulletins for Ignition Control Module: › 07-06-04-019D2
    All Other Service Bulletins for Ignition Control Module: › 07-06-04-019D
    Diagrams › Diagram Information and Instructions2
  - Knock Sensor › Component Information › Locations › Electronic Spark Control Module2
  - Pick-Up Coil, Ignition › Component Information › Specifications
  - Relays and Modules - Ignition System8 pages
    Electronic Spark Timing <--> [Electronic Spark Control Module] › Component Information › Testing and Inspection › 1985-87 V6-181/3.0L Carbureted Models2
    Ignition Control Module › Component Information6 pages
    Technical Service Bulletins4 pages
    Customer Interest: › 866D4
    All Technical Service Bulletins: › 866D4
    All Other Service Bulletins for Ignition Control Module: › 9010412
    All Other Service Bulletins for Ignition Control Module: › 901041
    Diagrams › Diagram Information and Instructions2
  - Sensors and Switches - Ignition System8 pages
    Camshaft Position Sensor › Component Information › Locations2 3
    Dual Crankshaft Sensor <--> [Crankshaft Position Sensor] › Component Information3 pages
    Technical Service Bulletins › Engine Controls - Use of Crank Sensor Adjusting Tool
    Locations › Crankshaft Position (CKP) Sensor2
    Knock Sensor › Component Information › Locations › Electronic Spark Control Module2
  - Spark Plug › Component Information › Specifications › Torque2
  - Distributor Thermal Vacuum Switch <--> [Thermal Vacuum Valve, Vacuum/Dist. Advance] › Component Information › Description and Operation › Choke Vacuum Break Distributor Thermal Vacuum Switch2 3 4 5 6 7 8 9 10 11 12
  - Vacuum Advance Control Solenoid › Component Information › Description and Operation
- Transmission Control Systems15 pages
  - Actuators and Solenoids - Transmission and Drivetrain › Actuators and Solenoids - A/T › Torque Converter Clutch Solenoid, A/T › Component Information › Technical Service Bulletins10 pages
    Customer Interest for Torque Converter Clutch Solenoid: › 8771256A2 3 4 5
    All Technical Service Bulletins for Torque Converter Clutch Solenoid: › 8771256A2 3 4 5
  - Sensors and Switches - Transmission and Drivetrain › Sensors and Switches - A/T5 pages
    Transmission Position Switch/Sensor, A/T › Component Information › Description and Operation2 3
    Transmission Temperature Sensor/Switch, A/T › Component Information › Technical Service Bulletins › A/T - New Thermo Element/Setting Procedure2
- PROM - Programmable Read Only Memory › Component Information47 pages
  - Technical Service Bulletins6 pages
    Customer Interest: › 876E302
    All Technical Service Bulletins for PROM - Programmable Read Only Memory: › 876E302 3
    All Other Service Bulletins for PROM - Programmable Read Only Memory: › 8803
  - Application and ID31 pages
    Introducing the GM PROM Cross Reference Index2 3 4 5 6 7 8 9 10
    Expanded Footnotes › Footnotes 1 Thru 502 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
  - Description and Operation › CALPAK2 3 4 5
  - Service and Repair › CALPAK2 3 4 5
06Transmission and Drivetrain Transmission and Drivetrain: Sections
07Brakes and Traction Control Brakes and Traction Control: Sections
08Starting and Charging Starting and Charging: Sections
09Power and Ground Distribution Power and Ground Distribution: Sections
10Steering and Suspension Steering and Suspension: Sections
11Heating and Air Conditioning Heating and Air Conditioning: Sections
12Restraint Systems Restraint Systems: Sections
13Accessories and Optional Equipment Accessories and Optional Equipment: Sections
14Body and Frame Body and Frame: Sections
15Cruise Control Cruise Control: Sections
16Instrument Panel, Gauges and Warning Indicators Instrument Panel, Gauges and Warning Indicators: Sections
17Lighting and Horns Lighting and Horns: Sections
18Windows and Glass Windows and Glass: Sections
19Wiper and Washer Systems Wiper and Washer Systems: Sections