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Home >> Buick >> 2015 >> Verano Leather >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Controls And Fuel - 2.0L (LHU) - DTC P0010 To P0246) >> Diagnostic Information and Procedures >> DTC P0191: Fuel Rail Pressure Sensor Performance >> Conditions for Setting the DTC

Conditions for Setting the DTC

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Condition 1 

The difference between the measured high pressure and the commanded high pressure is less than or equal to -650 kPa (-94 psi) or greater than or equal to 600 kPa (87 psi) for greater than 3 s.

Condition 2 

The difference between the relief pressure and the measured high pressure is less than or equal to -5000 kPa (-725 psi) for greater than 2 s.

Condition 3 

The difference between the commanded high pressure and the measured high pressure is greater than or equal to 3000 kPa (435 psi) and the modeled injection pressure is greater than or equal to 3000 kPa (435 psi) for greater than 3 s.

Condition 4 

The difference between the measured maximum high pressure and the measured minimum high pressure is less than or equal to 100 kPa (14.5 psi) for greater than 60 s.