Section 12 (Engine Controls - Tests W/Codes - 2.0L PFI)
WARNING: This page is about a different car, the 1990 Pontiac Sunbird. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Diagnostic Procedure
- Retrieving Codes (Non-Scan)
- Reading Trouble Codes
- Hard Or Intermittent Trouble Code Determination
- Clearing Trouble Codes
- ECM Location
- Diagnostic Materials
- Scan Tester Usage
- Diagnostic Charts
- Notes
- Code 13: Open Oxygen Sensor Circuit
- Code 14: Coolant Temp Sensor Signal Voltage Low
- Code 15: Coolant Temp Sensor Signal Voltage High
- Code 21: TPS Signal Voltage High
- Code 22: TPS Signal Voltage Low
- Code 23, Mat Sensor Signal Voltage High
- Code 24, Vehicle Speed Sensor (Pm Generator)
- Code 25, Mat Sensor Signal Voltage Low
- Code 31, WASTEGATE OVERBOOST
- Code 32, EGR Circuit
- Code 33, Map Sensor Signal Voltage High
- Code 34, Map Sensor Signal Voltage Low
- Code 35, Idle Speed Error
- Code 42, Electronic Spark Timing
- Code 43, Electronic Spark Control
- Code 44, Lean Exhaust Indication
- Code 45, Rich Exhaust Indication
- Code 51, Faulty Mem-Cal
- Summary