P0191 Diagnostic Trouble Code Discussion for May 2012
Fuel Rail Pressure Sensor Performance
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| Help Request | Posted | |
| 2007 Ford Focus SES 2.0L No Start, Cuts out, Stall, MIL Lamp on VIN: 1FAFP31N97 P0191: Fuel rail pressure sensor a range/performance. Can watch the pids on computer to see that it is turning fuel pump on and is duty cycle at 44.9 % but isn't getting desired fuel pressure from pump..Can shut key off and start it right back up and everything is perfect with pressures...also the computer shows ... |
May 23, 2012 |
