2007 Mazda 6 MazdaspeedFACTORY OEM SERVICE PROCEDURE

Fuel Pressure Sensor Inspection: Notes

NOTE:
  • Perform the following inspection only when directed.
  • The following vacuum values are indicated by relative pressure from the fuel pressure sensor.
  1. Remove the charge air cooler cover.
  2. Connect the M-MDS to the DLC-2.
  3. Turn the ignition switch to the ON position (Engine off).
  4. Select the FUEL_PRES PID on the M-MDS.
  5. 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.
    FUEL PRESSURE SENSOR INSPECTION

    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 
  6. After connecting the spill valve control solenoid valve connector, clear the DTC.
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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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