× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P0191 Diagnostic Trouble Code Discussion for July 2012

Fuel Rail Pressure Sensor Performance

Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

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