Privacy Policy
Donate and help keep workshop manuals freely available.
Other Chevrolet Workshop Service and Repair Manuals
Other Makes
Chevy Truck Astro Van M V6-262 4.3L VIN B TBI (1991)
Relays and Modules
Sensors and Switches
Maintenance
Engine, Cooling and Exhaust
Powertrain Management
Relays and Modules - Powertrain Management
Sensors and Switches - Powertrain Management
Tune-up and Engine Performance Checks
Computers and Control Systems
Intake Air Temperature Sensor
Coolant Temperature Sensor/Switch (For Computer)
Reference Signal <--> [Cranking Signal]
Electronic Spark Timing <--> [Electronic Spark Control Module]
Engine Control Module
Idle Speed/Throttle Actuator - Electronic
Knock Sensor
Malfunction Indicator Lamp
Manifold Pressure/Vacuum Sensor
Memory Calibration Unit
Quad Driver <--> [Output Driver]
Oxygen Sensor
Component Information
Technical Service Bulletins
Recalls:
All Technical Service Bulletins for Oxygen Sensor:
91C50
81I37
Feb
81
Oxygen Sensors - Silica Contamination
All Other Service Bulletins for Oxygen Sensor:
Page 2602
Page 2603
Page 2604
Page 2605
Page 2606
Page 2607
Relays and Modules - Computers and Control Systems
Sensors and Switches - Computers and Control Systems
Shift Light
Throttle Position Sensor
Transmission Position Switch/Sensor, A/T
Vehicle Speed Sensor
Vehicle Speed Sensor Signal Buffer
Emission Control Systems
Fuel Delivery and Air Induction
Ignition System
Transmission Control Systems
PROM - Programmable Read Only Memory
Transmission and Drivetrain
Brakes and Traction Control
Starting and Charging
Power and Ground Distribution
Steering and Suspension
Heating and Air Conditioning
Restraint Systems
Accessories and Optional Equipment
Body and Frame
Cruise Control
Instrument Panel, Gauges and Warning Indicators
Lighting and Horns
Windows and Glass
Wiper and Washer Systems