Section 9 (Engine Controls - Tests W/Codes - 3.4L)
WARNING: This page is about a different car, the 1993 Pontiac Grand Prix, 1993 Pontiac Firebird, 1993 Oldsmobile Cutlass Supreme, 1993 Chevrolet Lumina, and 1993 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Self-Diagnostic System
- ECM/Pcm Code Charts
- Notes
- Code 13 - Open Oxygen Sensor Circuit
- Code 14 - Coolant Temperature Sensor (Signal Voltage Low)
- Code 15 - Coolant Temperature Sensor (Signal Voltage High)
- Code 16 - System Voltage Low (3.4L "F" Body)
- Code 17 - Camshaft Sensor Error (3.4L "F" Body)
- Code 21 - Throttle Position Sensor (Signal Voltage High)
- Code 22 - Throttle Position Sensor (Signal Voltage Low)
- Code 23 - Mat Sensor (Signal Voltage High)
- Code 24 - Vehicle Speed Sensor
- Code 25 - Mat Sensor (Signal Voltage Low)
- Code 32 - EGR System Error (3.4L "W" Body)
- Code 33 - Map Sensor (Signal Voltage High)
- Code 34 - Map Sensor (Signal Voltage Low)
- Code 35 - IAC Idle Speed Error Without Tech 1
- Code 35 - IAC Idle Speed Error Using Tech I
- Code 36 - 24X Signal Error (3.4L "F" Body)
- Code 39 - Clutch Switch Error
- Code 42, Est Circuit Open Or Grounded
- Code 43 - ESC Error (Without ESC Module)
- Code 44 - Lean Exhaust Indication
- Code 45 - Rich Exhaust Indication
- Code 46 - Pass-Key Circuit (3.4L "F" Body)
- Code 51 - Faulty Prom/Mem-Cal
- Code 52 - Faulty Cal-PAK
- Code 53 - System OVERVOLTAGE
- Code 54 - Fuel Pump Voltage Low (3.4L "F" Body)
- Code 54 - Fuel Pump Voltage Low (3.4L "W" Body)
- Code 55 - ECM Error
- Code 61 - Degraded Oxygen (O2) Sensor (3.4L "W" Body)
- Code 61 - A/C System Performance (3.4L "F" Body)
- Code 62 - Gear Switch Error (3.4L "W" Body)
- Code 63 - Right Oxygen Sensor Open (3.4L "F" Body)
- Code 64 - Right Oxygen (O2) Sensor Lean (3.4L "F" Body)
- Code 65 - Right Oxygen (O2) Sensor Rich (3.4L "F" Body)
- Code 66 - A/C Pressure Sensor (3.4L "W" Body)
- Code 66 - Low A/C Charge (3.4L "F" Body)
- Code 67 - A/C Pressure Sensor (3.4L "F" Body)
- Code 69 - A/C Compressor Relay (3.4L "F" Body)
- Code 70 - High A/C Pressure (3.4L "F" Body)
- Code 71 - Low A/C Temperature (3.4L "F" Body)
- Code 73 - High A/C Temperature (3.4L "F" Body)
- Code 75, 76 Or 77 - EGR Solenoid Error (3.4L "F" Body)
- Code 81 - Brake Switch Error (3.4L "F" Body)
- Code 82 - 3X Signal Error (3.4L "F" Body)
- Code 85 - Prom Error & Code 87 - EEPROM Error
- Code 86 - Analog/Digital Error (3.4L "F" Body)
- Summary