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Home >> Genesis >> 2019 >> G70 3.3T Design, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 3.3L (1 Of 6) >> DTC P0091-00: Fuel Pressure Regulator 1 Control Circuit Low >> Component Inspection >> Check Fuel Pressure Control Valve (FPCV) Resistance
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Check Fuel Pressure Control Valve (FPCV) Resistance

  1. Ignition switch is turned "OFF" and disconnect fuel pressure control valve (FPCV) connector.
  2. Measure resistance between High and Low control terminals of fuel pressure control valve (FPCV). (Component Side)

    Specification:  1.09 ~ 1.21Ω [20°C (68°F)]

  3. Is the measured resistance within specification?

    YES 

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

    NO 

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