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 Integra GS, 2D Hatchback, StandardFACTORY OEM SERVICE PROCEDURE
Code 1: O2 Sensor
- Turn ignition off. Remove BACK UP fuse at battery positive terminal for 10 seconds to reset ECU. Start and warm engine to normal operating temperature. Check fuel pressure. See BASIC TESTING article in this section. Repair fuel system if not within specification.
- Road test vehicle. With transmission in second gear, accelerate at wide open throttle for at least 5 seconds, and then decelerate with throttle fully closed for at least 5 seconds.
- If CHECK ENGINE light is not on, problem is intermittent. Check for poor connections at O2 sensor and ECU connector. If CHECK ENGINE is on and Code 1 is indicated, go to 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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