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P0191 Diagnostic Trouble Code Discussion for January 2008

Fuel Rail Pressure Sensor Performance

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Trouble Ticket Help Requests for DTC P0191
Help Request Posted
2002 Jaguar X-Type 2.5L MIL Lamp on VIN: SAJEA51D02
... checked DTC's. DTC for fuel pump not working when requested (p1236). DTC for fuel rail pressure sensor (P0191). Checked base fuel pressure. When vehicle is operating in open loop, pressure is staedy @ 53psi. The minute closed loop is entered, fuel pressure...
January 15, 2008