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Home >> Genesis >> 2019 >> G80 3.8, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 3.8L (3 Of 3) >> DTC P2541: Low Pressure Fuel System Sensor Circuit Low >> Component Inspection >> Check Fuel Pressure Sensor Performance

Check Fuel Pressure Sensor Performance

  1. IG "OFF".
  2. Start the engine.
  3. Measure the voltage between signal terminal of fuel pressure sensor harness connector and ground.

    Specification:  Approx. 1.0 ~ 2.5V (in idle)

  4. Is the measured voltage normal?

    YES 

    • Substitute with a known - good FPCM and check for proper operation. If the problem is corrected, replace FPCM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Substitute with a known - good fuel pressure sensor and check for proper operation. If the problem is corrected, replace fuel pressure sensor and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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