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.
1992 Acura Legend Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Engine Controls - Tests W/Codes
- Introduction
- Self-Diagnostic System
- Summary
- Trouble Code Identification
- Trouble Codes
- Code 0 Or No Codes
- Code 1 Or 2: O2 Sensor
- Code 3: Map Sensor
- Code 4, 9, 54 Or 59: Crank/CYL Sensor
- Code 5: Map Sensor
- Code 6: Coolant (TW) Sensor
- Code 7: Throttle Angle Sensor
- Code 10, Air Temperature (Ta) Sensor
- Code 12: EGR System
- Code 13: Atmospheric (Pa) Sensor
- Code 14: Electronic Air Control Valve (EACV)
- Code 15: Ignition Output Signal
- Code 16: Fuel Injector Circuit
- Code 17: Vehicle Speed Sensor (VSS)
- Code 18: Ignition Timing Adjuster
- Code 23 Or 53: Knock Sensor
- Code 41 Or 42: O2 Sensor Heater
- Code 43 Or 44: Fuel Supply System
- Code 45 Or 46: Fuel Metering System
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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