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.
1993 Acura Integra GS-RFACTORY OEM SERVICE PROCEDURE
Trouble Code Identification
TROUBLE CODE IDENTIFICATION
| Code (1) | System Affected | Probable Cause | ||
|---|---|---|---|---|
| 0 | ECM | No Signal To ECM | ||
| 1 | HO2S Sensor | HO2S Sensor Circuit Problem | ||
| 3 | MAP Sensor | MAP Sensor Problem | ||
| 4 | Crank Angle Sensor | Open/Shorted Signal Circuit | ||
| 5 | MAP Sensor | Open/Shorted Signal Circuit | ||
| 6 | Coolant Temperature Sensor | Open/Shorted Signal Circuit | ||
| 7 | Throttle Angle Sensor | Open/Shorted Signal Circuit | ||
| 8 | Crank Angle Sensor (TDC) | Open/Shorted Signal Circuit | ||
| 9 | Crank Angle Sensor (CYL) | Open/Shorted Signal Circuit | ||
| 10 | Intake Air Temperature Sensor | Problem With Sensor | ||
| 12 | EGR System (1.8L A/T) | Faulty EGR Valve | ||
| 13 | Barometric Pressure (BARO) Sensor | BARO Circuit Problem | ||
| 14 | Idle Air Control Valve (IACV) | Open/Shorted Signal Circuit | ||
| 15 | Ignition Output Signal | Open/Shorted Signal Circuit | ||
| 16 | Fuel Injector | Open/Shorted Signal Circuit | ||
| 17 | Vehicle Speed Sensor (VSS) | Open/Shorted Signal Circuit | ||
| 21 | Spool Solenoid Valve (1.7L) | Open/Shorted Signal Circuit | ||
| 22 | Valve Timing Oil Pressure Switch (1.7L) | Open/Shorted Signal Circuit | ||
| 23 | Knock Sensor (1.7L) | Open/Shorted Signal Circuit | ||
| 41 | HO2S Sensor Heater | Open/Shorted Signal Circuit | ||
| 43 | Fuel Supply System | Open/Shorted O2 Circuit | ||
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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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