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2004 Ford E-350 Super Duty 5.4L MIL Lamp on
Posted to Ford Driveability on 7/10/2007 5 Replies

We have a fleet of these buses and the two with the highest miles (100,000+) have this recurring P0191 code. They both set the code after extended idling, and the coolant temp is hot (over 212 degrees). These things idle with the A/C cranked up on the front an...

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  Related Documents & Media  2004 Ford E-350 Super Duty

 
Message Closed w/FIX

car Vehicle Data

2004 Ford E-350 Super Duty

VIN 1FDWE35L44
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursHot, Idle
Misc.15 Passenger Bus

Trouble Codes

P0191Fuel Rail Pressure Sensor Circuit Performance
Message Closed w/FIX

car Vehicle Data

2004 Ford E-350 Super Duty

VIN 1FDWE35L44
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursHot, Idle
Misc.15 Passenger Bus

Trouble Codes

P0191Fuel Rail Pressure Sensor Circuit Performance