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P0191 Diagnostic Trouble Code Discussion for July 2012

Fuel Rail Pressure Sensor Performance


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Trouble Ticket Help Requests for DTC P0191
Help Request Posted
2006 Ford Five Hundred Limited 3.0L No Start, Stall, MIL Lamp on VIN: 1FAFP28146
P0191: Fuel pressure range/performanc. ... came in about a week ago for a low power/check engine complaint. The problem wasn't present when the car arrived but service code P0191: Fuel pressure sensor range/performance, was present. We road tested the vehicle and found that the fuel pressure would ...
July 05, 2012
2007 Ford Explorer Limited 4.6L Poor Idle Quality, MIL Lamp on VIN: 1FMEU65867
P0191: Fuel rail pressure sensor out of range. Freeze frame data showed 3650 psi fuel pressure. I figure it must be an electrical problem somewhere.
July 19, 2012
2006 Ford E-250 4.6L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall VIN: 1FTNE24W86
P0191: fuel rail pressure. As vehicle runs the fuel pressure drops. Its fine on start-up but after a minute it drops. If you try to accelerate it bogs out and backfires slightly or has no power. It acts like a vacuum leak, but havent found any.Have replaced the fuel pump and repaired th...
July 25, 2012
2006 Ford Five Hundred Limited 3.0L No Start, Stall, MIL Lamp on VIN: 1FAFP28146
P0191: Fuel pressure range/performanc. ... came in about a week ago for a low power/check engine complaint. The problem wasn't present when the car arrived but service code P0191: Fuel pressure sensor range/performance, was present. We road tested the vehicle and found that the fuel pressure would ...
July 05, 2012
2007 Ford Explorer Limited 4.6L Poor Idle Quality, MIL Lamp on VIN: 1FMEU65867
P0191: Fuel rail pressure sensor out of range. Freeze frame data showed 3650 psi fuel pressure. I figure it must be an electrical problem somewhere.
July 19, 2012
2006 Ford E-250 4.6L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall VIN: 1FTNE24W86
P0191: fuel rail pressure. As vehicle runs the fuel pressure drops. Its fine on start-up but after a minute it drops. If you try to accelerate it bogs out and backfires slightly or has no power. It acts like a vacuum leak, but havent found any.Have replaced the fuel pump and repaired th...
July 25, 2012