HIGH PRESSURE FUEL PUMP INSPECTION [MZR 2.0 DISI i-stop]

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Note

•  The following vacuum values are indicated by relative pressure from the fuel pressure sensor.

1.   Verify that the fuel pressure sensor is normal. (See FUEL PRESSURE SENSOR INSPECTION [MZR 2.0 DISI i-stop].)

2.  Connect the M-MDS to the DLC-2.

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3.  Turn the ignition switch to the ON position (Engine off).

4.   Select the FUEL_PRES, and LOAD, RPM PIDs on the M-MDS. (See ON-BOARD DIAGNOSTIC TEST [MZR 2.0 DISI i-stop].)

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. 11.5Mpa.

―  If not as verified, replace the high pressure fuel pump. (See HIGH PRESSURE FUEL PUMP REMOVAL/INSTALLATION [MZR 2.0 DISI i-stop].)