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Home >> Nissan-Datsun >> 2004 >> Maxima SE, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC >> DTC P0172, P0175: Fuel Injection System Function >> Diagnostic Procedure >> 4. Check Fuel Pressure

4. Check Fuel Pressure

  1. Release fuel pressure to zero. Refer to "FUEL PRESSURE RELEASE ".
  2. Install fuel pressure gauge and check fuel pressure. Refer to "FUEL PRESSURE CHECK ".
    1. At idling: 350 kPa (3.57 kg/cm 2, 51 psi) 

OK or NG 

  1. OK: GO TO 6 .
  2. NG: GO TO 5.
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