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P0089 Diagnostic Trouble Code Discussion for November 2014

Fuel Pressure Regulator Performance

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Trouble Ticket Help Requests for DTC P0089
Help Request Posted
2001 Chevrolet Silverado 2500 HD 6.6L Poor Idle Quality, Surge, MIL Lamp on VIN: 1GCHK29141
P0089: Fuel Pressure Regulator Performance. I am trying to understand exactly what's going on and what PCM is looking for. I have replaced fuel rail pressure sensor because when I saw the data it was all over the place 10,000 to 15,0000 so fast I couldn't see them on the scanner. drove it 6 miles light ...
November 26, 2014