1992 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE

Trouble Code Definition

NOTE: Not all trouble codes will activate CHECK ENGINE light.
TROUBLE CODE IDENTIFICATION CHART (1.6L)

Code System/Circuit Affected
11  Crank Angle Sensor
12  Mass Airflow Sensor
13  Engine (Coolant) Temperature Sensor
14  Vehicle Speed Sensor
21  No Ignition Reference
31  Engine Control Unit (ECU)
32  EGR Sensor (Calif.)
33  Oxygen Sensor
35  EGR Temp. Sensor (Calif.)
43  Throttle Position Sensor
45  Injector Leak (Calif.)
55 No Malfunction Recorded
TROUBLE CODE IDENTIFICATION CHART (2.0L)

Code System/Circuit Affected
11  Crank Angle Sensor
12  Mass Airflow Sensor
13  Engine (Coolant) Temperature Sensor
14  Vehicle Speed Sensor
21  No Ignition Reference
31  Engine Control Unit (ECU)
32  EGR Sensor (Calif.)
33  Oxygen Sensor
34  Knock (Detonation) Sensor
35  EGR Temp. Sensor (Calif.)
43  Throttle Position Sensor
45  Injector Leak (Calif.)
55 No Malfunction Recorded
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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