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Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5
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HIGH PRESSURE FUEL PUMP INSPECTION [SKYACTIV-G 2.0]

1. Verify that the fuel pressure sensor is normal. (See FUEL PRESSURE SENSOR INSPECTION [SKYACTIV-G 2.0].)
2. Connect the M-MDS to the DLC-2.
3. Switch the ignition ON.
4. Select the “FUEL_PRES” PID on the M-MDS. (See ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-G 2.0)].)

CAUTION:

  • If the engine is run at a high speed, it could be damaged. When racing the engine, be careful not to increase the engine speed suddenly.

5. Is the “FUEL_PRES” PID value 3.0 MPa {31 kgf/cm2, 435 psi} or more while idling.
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Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5

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