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2005 Ford F-150 FX4 5.4L Poor Idle Quality
Posted to Ford Driveability on 9/25/2009 18 Replies

Thanks in advance. Engine will intermittently miss at idle and just above idle after warmed up. Scan tool has no misfire counters so I cant peg the hole. We replaced the plugs (one broke off- NO fun but fixable). We output tested the coils and checked for boot...

18 Replies Received (View Replies)

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car Vehicle Data

2005 Ford F-150 FX4

VIN 1FTPX14515
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursIdle
Message Closed w/Summary

car Vehicle Data

2005 Ford F-150 FX4

VIN 1FTPX14515
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursIdle