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 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
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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