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Home >> Infiniti >> 2013 >> M56 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Introduction) >> Basic Inspection >> Fuel Pressure >> 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.

WITH CONSULT

  1. Start engine.
  2. Check "FUEL PRES SEN V" in "DATA MONITOR" mode with CONSULT.
    Monitor Item Condition Values/Status
    FUEL PRES SEN V Idle 820 - 1, 220 mV
    Revving engine from idle to 4, 000 rpm quickly 820 - 3, 060 mV

WITHOUT CONSULT

  1. Start engine.
  2. Check the voltage between ECM harness connector and ground.
    ECM Condition Voltage
    + -
    Connector Terminal Connector Terminal
    F110 31 F110 40 [Engine is running]
    • Warm-up condition
    • Idle speed
    		 0.82 - 1, 22 V
    [Engine is running]
    • Warm-up condition
    • Revving engine from idle to 4, 000 rpm quickly
    		 0.82 - 3, 06 V
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