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Home >> Mazda >> 2009 >> 3 Mazdaspeed, 2.3 M >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (L3 With TC) >> Fuel Pressure Sensor Inspection [L3 With TC] >> Notes
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Fuel Pressure Sensor Inspection [L3 With TC]: Notes

NOTE:
  • Before performing the following inspection, make sure to follow the procedure as indicated in the troubleshooting flowchart. (See HOW TO USE THIS MANUAL .)
  1. Connect the M-MDS to the DLC-2.
  2. Turn the ignition switch to the ON position (Engine off).
  3. Select the FUEL_PRES PID on the M-MDS.
  4. After warming up the engine, verify that the FUEL_PRES PID is at the standard value under the following conditions.
    • If not as verified, replace the fuel delivery pipe.
      Fig 1: Identifying Data Link Connector 2
      G04955308Courtesy of MAZDA MOTORS CORP.
    FUEL PRESSURE SPECIFICATION

    Step Condition FUEL_PRES PID
    1
    • Idle
    • 90 s after engine is started
    		 Approx. 3 MPa
    2
    • Idle
    • Spill valve solenoid valve connector is disconnected
    		 Approx. 530 kPa
  5. After connecting the spill valve control solenoid valve connector, clear the DTC.
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