Section 15 (Engine Controls - Tests W/Codes - 3.3L PFI)
WARNING: This page is about a different car, the 1990 Oldsmobile Cutlass Cruiser, 1990 Oldsmobile Cutlass Ciera, 1990 Oldsmobile Cutlass Calais, 1990 Buick Skylark, and 1990 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Self-Diagnostic System
- Diagnostic Tests
- Notes
- Code 13: Open Oxygen Sensor Circuit
- Code 14: Coolant Temp Sensor Signal Volt Low
- Code 15: Coolant Temp Sensor Signal Volt High
- Code 16: System Volt High
- Code 21: TPS Signal Volt High
- Code 22: TPS Signal Volt Low
- Code 24: Vehicle Speed Sensor
- Code 26: Quad-Driver Circuit
- Code 27 Or 28: Gear Switch CKTS (Exc 440-T4 Trans)
- Code 28 Or 29: Gear Switch CKTS (W/440-T4 Trans)
- Code 31: Park/Neutral Switch Circuit
- Code 34: Mas Airflow Sensor
- Code 38: Brake Switch Circuit
- Code 39: TCC Circuit (W/O 440-T4 Trans)
- Code 39: TCC Circuit (W/440-T4 Trans)
- Code 42: Est Ignition Circuit
- Code 43: Electronic SPRAK Control
- Code 44: Lean Exhaust Indication
- Code 45: Rich Exhaust Indication
- Code 46: Power Steering Pressure Switch
- Code 48: Misfire Diagnosis
- Code 51, Mem-Cal Error
- Code 66, A/C Pressure Sensor Circuit (3.3L N Body)