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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 Fault Information

Diagnostic Fault Information

WARNING: This page is about a different variant/trim than selected.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
5V Reference Voltage P0192, P0193, P0641 P0192 P0641 P0191
Fuel Rail Pressure Sensor Signal P0192 P0192 P0193 P0191
Low Reference - P0193, P0506 - P0191
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