High Pressure Fuel Pump Inspection

HIGH PRESSURE FUEL PUMP INSPECTION [MZR 2.3 DISI Turbo]

NOTE:
- The following vacuum values are indicated by relative pressure from the fuel pressure sensor.

1. Verify that the fuel pressure sensor is normal. Testing and Inspection

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", "LOAD" and "RPM" PIDs on the M-MDS.

CAUTION:
- If the engine is run at a high speed, it could be damaged. When racing the engine, do not race it up to 6,700 rpm or more.

5. After the "LOAD" PID is 60% or more while the engine is raced with the accelerator pedal fully depressed, verify that the "FUEL_PRES" PID is approx. 11.5 MPa.

- If not as verified, replace the high pressure fuel pump. High Pressure Fuel Pump Removal/Installation