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2007 Ford F-150 XL 5.4L No Start
Posted to Ford Driveability on 11/3/2016 4 Replies

High miles truck ran fine but would not start later cold. I suspect ignition switch problem. We removed plugs, old, dirty. We double checked fuel pressure, spark, injector pulse from ECU. Good. We removed B1 and B2 oxy sensors to check for excessive back press...

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  Related Documents & Media  2007 Ford F-150 XL

 
Message Closed w/Summary

car Vehicle Data

2007 Ford F-150 XL

VIN 1FTPF12577
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Start
OccursAlways
Misc.Xlt: 2WD

Trouble Codes

U1950communication bus fault UART Base Protocol
Message Closed w/Summary

car Vehicle Data

2007 Ford F-150 XL

VIN 1FTPF12577
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Start
OccursAlways
Misc.Xlt: 2WD

Trouble Codes

U1950communication bus fault UART Base Protocol