Feedback Carburetor System
- Description
- Operation
- Trouble Shooting
- Notes
- Feedback Carburetor System
- Diagnostic Circuit Check
- Clearing Trouble Code Memory
- System Performance Check
- Trouble Codes
- CODE 12 (No Distributor Reference Pulse to ECM)
- CODE 13 (Open O2 Sensor Circuit)
- CODE 14 (Shorted Coolant Sensor Circuit)
- CODE 15 (Open Coolant Sensor Circuit)
- CODE 21 (TPS & Idle Switch Circuit)
- CODE 22 (Fuel-Cut Relay Circuit Open or Grounded)
- CODE 23 (Feedback Solenoid Circuit)
- CODE 25 (Vacuum Switching Valve Circuit)
- CODE 42 (Constant High Voltage from Fuel-Cut Relay)
- CODE 44 (Lean Exhaust Indication)
- CODE 45 (Rich Exhaust Indication)
- CODE 51 (PROM Problem)
- CODE 53 (Constant High Voltage Reading from Vacuum Switching Valve)
- CODE 54 (Constant High Voltage Reading from Feedback Solenoid)
- CODE 55 (Faulty O2 Sensor or ECM)
- Component Testing
- Wiring Diagrams