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P0191 Diagnostic Trouble Code Discussion for October 2013

Fuel Rail Pressure Sensor Performance

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Trouble Ticket Help Requests for DTC P0191
Help Request Posted
2003 Mercury Sable GS 3.0L Stall, MIL Lamp on VIN: 1MEFM55S73
P0191: fuel rail pressure range/ performance. ... light on and said last night she was driving and vehicle lost power she pulled over shut car off let it sit for a few minutes and restated and it was fine. She also said this happened to her husband about a week ago. Scanned codes and it has p0191 fuel rai...
October 01, 2013
2005 Mercury Sable LS 3.0L No Start VIN: 1MEFM55S85
P0191: fuel rail pressure sensor circuit A. This car has been to several shops for a no start condition at times has 2 codes in it which i listed.one is for fuel pump driver module and the other is for fuel rail pressure sensor.the previous shop changed the module with no luck and also the fuel inertia ...
October 15, 2013
2009 Chevrolet Traverse LS 3.6L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GNEV13D69
P0191: Fuel rail pressure/performance. This vehicle came in with heavy, fuel rich exhaust smoke and steady misfires on cylinder #5 that appear to be due to a stuck-open #5 injector. We've never had to replace a Direct-Injection type of injector yet and are wondering about the tricks and traps of d...
October 28, 2013