P0191 Diagnostic Trouble Code Discussion for June 2010
Fuel Rail Pressure Sensor Performance
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| Help Request | Posted | |
| 2005 Ford Freestyle SE 3.0L Excessive Emissions, No Start, Poor Idle Quality, Stall, MIL Lamp on VIN: 1FMZK01135 P0191: Fuel Rail Pressure Sensor circuit performance. ... a Freestyle trying to run on 90psi fuel pressure. Current code P0191, scan tool data shows 0 psi so we replaced FPTS with same results. After further testing realized the 5volt reference at sensor was 2.4 volts. Backprobed PCM and same. Infact PCM pin#'s B... |
June 02, 2010 | |
| 2004 Ford E-350 Super Duty 5.4L Misfire, MIL Lamp on VIN: 1FDWE35L14 P0191: Fuel rail pressure out of range. Ok guys, i'm not the best driveability guy out there, and this ones got me stumped. This is a minibus that sits at idle a lot. It came to me running fine but when i let it sit at idle after 10 or 15 minutes it starts to missfire and the fuel trim goes up to 22... |
June 14, 2010 | |
| 2000 Mercury Sable LS 3.0L Cuts out VIN: 1MEFM59S6Y P0191: Fuel rail pressure range. ... out problem. Customer said while he stopped at a lite that the car cut out he left it on the side for about two hours and later on he drove it in to us without a driving problem. After i scanned the car i found code p0191 (fuel rail pressure range). Fuel p... |
June 23, 2010 |
