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2007 Ford F-150 XLT 5.4L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on
Posted to Ford Driveability on 8/19/2014 9 Replies

Replaced Intake manifold gasket set. That solved the vacuum leak. The misfire continued. Did a compression test on all 8 cylinders. All had over 150psi except #8, which only had 32 psi and sometimes less. We took out left hand cylinder head and found #8 piston...

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  Related Documents & Media  2007 Ford F-150 XLT

 
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car Vehicle Data

2007 Ford F-150 XLT

VIN 1FTRW12537
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Misfire, MIL Lamp On
OccursAlways, Cold, Hot, Under Load, on Accel, Idle
Misc.Hd Saleen Edition

Trouble Codes

P0205Fuel Injector 5 Circuit Malfunction
Message Closed

car Vehicle Data

2007 Ford F-150 XLT

VIN 1FTRW12537
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Misfire, MIL Lamp On
OccursAlways, Cold, Hot, Under Load, on Accel, Idle
Misc.Hd Saleen Edition

Trouble Codes

P0205Fuel Injector 5 Circuit Malfunction