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2004 Ford F-150 FX4 5.4L Misfire
Posted to Ford Driveability on 3/17/2014 24 Replies

good monday morning gents, Ive had this f150 now about 2 weeks and at my wits end. Original problem occasional miss at 45-48 tip in throttle. No lean codes,missfire 6 code. Decided to do 8-plugs,8 [...] 4 plugs comming out,retrived 3 w/tool. number 6 plug woul...

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  Related Documents & Media  2004 Ford F-150 FX4

 
Message Closed w/FIX

car Vehicle Data

2004 Ford F-150 FX4

VIN 1FTPW14564
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
Message Closed w/FIX

car Vehicle Data

2004 Ford F-150 FX4

VIN 1FTPW14564
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)