1995 Acura Integra GS-R, 2D CoupeFACTORY OEM SERVICE PROCEDURE

Trouble Code Identification

NOTE: To identify trouble codes, see TROUBLE CODE IDENTIFICATION  .
TROUBLE CODE IDENTIFICATION

Code (1) System Affected Probable Cause
0  ECM No Signal To ECM
1  HO2S HO2S Circuit Problem
3  MAP Sensor MAP Sensor Problem
4  Crankshaft Position (CKP) Sensor Open/Shorted Signal Circuit
6  Coolant Temperature Sensor Open/Shorted Signal Circuit
7  Throttle Position Sensor Open/Shorted Signal Circuit
8  Top Dead Center (TDC) Sensor Open/Shorted Signal Circuit
9  No. 1 Cylinder Position (CYL) Sensor Open/Shorted Signal Circuit
10  Intake Air Temperature (IAT) Sensor Problem With Sensor
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
20  Electric Load Detector Open/Shorted Signal Circuit
21 (2) VTEC Solenoid Valve Open/Shorted Signal Circuit
22 (2) VTEC Oil Pressure Switch Open/Shorted Signal Circuit
23 (2) Knock Sensor Open/Shorted Signal Circuit
30 (3) A/T FI Signal "A" Open/Shorted Signal Circuit
31 (3) A/T FI Signal "B" Open/Shorted Signal Circuit
41  HO2S Heater Open/Shorted Signal Circuit
43  Fuel Supply System Open/Shorted HO2S Circuit
(1) If other codes appear, repeat self-diagnostics. If codes reappear, temporarily substitute a known good ECM, then recheck codes.
(2) 1.8L GS-R model.
(3) With automatic transmission/transaxle.
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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