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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 354 (Engine Controls And Fuel - 3.6L (LGX) - DTC P0010 To DTC P0459) >> Diagnostic Information and Procedures >> DTC P018B-P018D: Fuel Pressure Sensor >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.

P018B 

The engine control module does not detect a change in the fuel pressure of at least 30 kPa (4.4 PSI) when the fuel pump is operating. The fuel pressure sensor performance diagnostic detects a fuel pressure sensor output that is stuck within the normal operating range of the sensor.

P018C 

The engine control module detects that the fuel pressure sensor voltage is less than 0.14 V for 1 s.

P018D 

The engine control module detects that the fuel pressure sensor voltage is greater than 4.86 V for 1 s.

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