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P0191 Diagnostic Trouble Code Discussion for May 2011

Fuel Rail Pressure Sensor Performance

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Trouble Ticket Help Requests for DTC P0191
Help Request Posted
2002 Jaguar X-Type 3.0L MIL Lamp on VIN: SAJEA51C72
P0191: . Car came in as a no start had no fuel pressure we replaced the fuel pump it then ran fine one week later no start again fuel no pressure again or varying pressure up and down down to 10 psi we installed another pump and it starts up fine after a few seconds th...
May 13, 2011
2004 Volkswagen Golf 1.6FSI 1.6L Surge, MIL Lamp on, loss of power interm VIN: WVWZZZ1KZ4
P0191: implausible signal from fuel pressure sensorG247. This car intermittently looses power, usually when you are cruising and slightly accelerate, but not necessarily. It will not stall, but you push the throttle and nothing at all happens, it will come right by itself fairly quickly,in other words the problem oc...
May 20, 2011
2005 Ford Freestar S 3.9L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 2FMZA50675
P0191: Fuel Rail Pressure Sensor Circuit Performance. ... the road, would not restart. Checked for codes and found none, checked for the obvious and found no fuel pressure. Disconnected harness at pump, used power probe to power it up, and got no response from the pump. Checked for power/signal coming from module...
May 31, 2011