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2007 Ford F-150 XLT 5.4L Poor Idle Quality, Hesitation, Misfire
Posted to Ford Driveability on 8/23/2012 9 Replies

mis on #4,compresion 175,switched coils,switched injectors,scoped coil & injector)OK,smoke tested intake for leaks)OK,etsted with oxy/acc for leaks in intake)ok,fuel trim slightly negative on bank 1short term at idle),po304 after long drive;does not always sho...

9 Replies Received (View Replies)

  Related Documents & Media  2007 Ford F-150 XLT

 
Message Closed w/FIX

car Vehicle Data

2007 Ford F-150 XLT

VIN 1FTPW14V07
Engine5.4 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Misfire
OccursCold, Idle

Trouble Codes

P0304Cylinder 4 Misfire Detected
Message Closed w/FIX

car Vehicle Data

2007 Ford F-150 XLT

VIN 1FTPW14V07
Engine5.4 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Misfire
OccursCold, Idle

Trouble Codes

P0304Cylinder 4 Misfire Detected