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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 377 (2004 - Engine Control System - Coupe) >> DTC P1143, P1163: Ho2S1 >> Without CONSULT-II >> Notes

Without CONSULT-II: Notes

WARNING: This page is about a different car, the 2004 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.
  1. Start engine and warm it up to normal operating temperature.
  2. Turn ignition switch OFF.
  3. Disconnect mass air flow sensor harness connector, and restart and run engine for at least 5 seconds at idle speed. See Figure.
  4. Stop engine and reconnect mass air flow sensor harness connector.
  5. Make sure DTC P0102 is displayed.
  6. Erase the DTC memory. Refer to "HOW TO ERASE EMISSION-RELATED DIAGNOSTIC INFORMATION ".
  7. Make sure DTC P0000 is displayed.
  8. Run engine for at least 10 minutes at idle speed.

    Is the 1st trip DTC P0171 or P0174 detected? 

    Is it difficult to start engine? 

Yes or No 

Yes: Perform trouble diagnosis for DTC P0171, P0174. Refer to DTC P0171, P0174 FUEL INJECTION SYSTEM FUNCTION .

No: GO TO 4.

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