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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 145 (On-Board Diagnostic - Engine Control (2 Of 5)) >> DTC P0091; Pcm Fuel Pressure Regulator Control Circuit Low Input >> Related PIDs

Related PIDs

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
Item (definition) Unit/Condition Definition Condition/Specification (Reference)
FUEL_PRES KPa {MPA}, mBar {BAR}, psi, in H20 Fuel pressure
  • Displays fuel pressure
V Fuel pressure sensor voltage
  • Fuel pressure is 3.0 MPa {31 kgf/cm2 , 435 psi}: Approx. 0.92 V
  • Fuel pressure is 4.8 MPa {49 kgf/cm2 , 696 psi}: Approx. 1.17 V
LOAD % Ratio of actual amount of intake air to the maximum air charging amount (mass volume) of cylinder
  • Idle (after warm up): Approx. 17.64%
  • Racing (engine speed is 2, 000 rpm): Approx. 14.51%
  • Racing (engine speed is 4, 000 rpm): Approx. 21.17%
RPM RPM Engine speed
  • Displays engine speed