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Home >> Infiniti >> 2021 >> Q60 Pure, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Diagnostics) (2 Of 4) >> Basic Inspection >> Engine Control System >> Fuel Pressure Check >> Work Procedure >> High Fuel Pressure Check
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High Fuel Pressure Check

NOTE: Since the fuel pressure gauge kit cannot be connected, follow the method shown below to check high fuel pressure.

SYMBOL WITH CONSULT

  1. Start engine.
  2. Check "FUEL PRES SEN" in "DATA MONITOR" mode with CONSULT.

    Monitor Item

    Condition

    Values/Status

    FUEL PRES SEN V

    Idle

    0.73 - 1.0 V

    Revving engine from idle to 4, 000 rpm quickly

    1.0 - 2.9 V

SYMBOL WITHOUT CONSULT

  1. Start the engine.
  2. Check fuel rail pressure sensor signal voltage.

+

-

Condition

Value

(Approx.)

Fuel rail pressure sensor

Connector

Terminal

F137

2

Ground

Engine speed: idle

0.73 - 1.0 V

Engine speed: Revving engine from idle to 4, 000 rpm quickly

1.0 - 2.9 V