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.
1994 Acura Integra GS-R, 2D CoupeFACTORY 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: Ho2S
- Code 3: Map Sensor
- Code 6: Coolant Sensor
- Code 7: Throttle Position Sensor
- Code 10: Air Temperature (Ta) Sensor
- Code 13: Barometric (BARO) Sensor
- Code 14: Idle Air Control Valve (IACV)
- Code 15: Ignition Output Signal
- Code 16: Fuel Injector Circuit
- Code 17: Vehicle Speed Sensor (VSS)
- Code 20: Electric Load Detector
- Code 21: VTEC Solenoid Valve (1.8L GS-R)
- Code 22: VTEC Pressure Switch (1.8L GS-R)
- Code 23: Knock Sensor (1.8L GS-R)
- Code 30 Or 31: TCM Signal "A" Or "B"
- Code 41: Ho2S Heater
- Code 43: Fuel Supply System
Factory Service Tools
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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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