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
(1)
If codes other than these are indicated, repeat self-diagnosis. If code(s) reappear, substitute a known good ECM, and recheck codes.
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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