Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET1993CAVALIER Z24, 2D COUPE, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - TESTS W/CODES - 3.1L
1993 Chevrolet Cavalier Z24, 2D Coupe, Automatic
Engine Controls - Tests W/Codes - 3.1L
1993 Chevrolet Cavalier Z24, 2D Coupe, AutomaticSECTION Engine Controls - Tests W/Codes - 3.1L
- 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 (3.1L CALIF. "W" Body)
- Code 17 - Camshaft Sensor Error (3.1L CALIF. "W" 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
- 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 (3.1L CALIF. "W" Body)
- Code 41 - Cylinder Select Error (3.1L)
- 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 51 - Faulty Prom/Mem-Cal
- Code 52 - Faulty Cal-PAK
- Code 53 - System OVERVOLTAGE
- Code 54 - Fuel Pump Voltage Low (3.1L "J" & "L" Bodies)
- Code 54 - Fuel Pump Voltage Low (3.1L "W" Body)
- Code 55 - ECM Error
- Code 61 - Degraded Oxygen (O2) Sensor (3.1L (Exc. CALIF.)
- Code 62 - Gear Switch Error - 3.1L (Exc. CALIF. "W" Body)
- Code 66 - A/C Pressure Sensor (3.1L Exc. CALIF "W" Body)
- Code 66 - Low A/C Charge (3.1L CALIF. "W" Body)
- Code 70 - High A/C Pressure (3.1L CALIF. "W" Body)
- Code 75, 76 Or 77 - EGR Solenoid (3.1L CALIF. "W" Body)
- Code 79 - VSS Signal Voltage High (3.1L CALIF. "W" Body)
- Code 80 - VSS Signal Voltage Low (3.1L CALIF. "W" Body)
- Code 81 - Brake Switch Error (3.1L CALIF. "W" Body)
- Code 82 - 3X Signal Error (3.1L CALIF. "W" Body)
- Code 85 - Prom Error & Code 87 - EEPROM Error
- Code 86 - Analog/Digital Error (3.1L CALIF. "W" Body)
- Summary
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.