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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Engine Controls And Fuel - 2.4L - DTC P0114 To DTC P0604) >> Diagnostic Information and Procedures >> DTC P0191: Fuel Rail Pressure Sensor >> Diagnostic Aids

Diagnostic Aids

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A condition with the fuel tank fuel pump module or the fuel pump control module may set this DTC.