Section 13 (Engine Controls - Tests W/Codes - 5.0L TBI)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 1992 Pontiac Firebird, 1992 Oldsmobile Custom Cruiser, 1992 Chevrolet Caprice, 1992 Chevrolet Camaro, and 1992 Cadillac Brougham. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Model Identification
- Self-Diagnostic System
- Pcm/BCM Code Charts
- Notes
- Code 13, Open Oxygen (O2) Sens CKT
- Code 14, Coolant Temp Sens, Signal Voltage Low
- Code 15, Coolant Temp Sens, Signal Voltage High
- Code 21, Throttle Position Sens, Signal Voltage High
- Code 22, Throttle Position Sens, Signal Voltage Low
- Code 23, Mat Sens Signal Voltage High
- Code 24, Vehicle Speed Sens (VSS)
- Code 25, Mat Sens Signal Voltage Low
- Code 32, EGR System Error (1 Of 3)
- Code 32, EGR System Error - Positive BACKPRESSURE (2 Of 3)
- Code 32, EGR System Error - Negative BACKPRESSURE (3 Of 3)
- Code 33, Map Sens, Signal Voltage High
- Code 34, Map Sens, Signal Voltage Low
- Code 35, IAC Idle Speed Error, W/O Tech 1
- Code 35, IAC Idle Speed Error, Using Tech I
- Code 42, Est CKT Open Or Grounded
- Code 43, ESC Error, W/ESC Module
- Code 43, ESC Error, W/O ESC Module
- Code 44, Lean Exhaust Indication
- Code 45, Rich Exhaust Indication
- Code 51, Faulty Prom/Mem-Cal
- Code 52, Faulty Cal-PAK
- Code 53, Vehicle Anti-Theft SYS, "F" Body
- Code 54, Fuel Pump Voltage Low
- Code 55, ECM Error
- Summary