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Ford Truck Club Forum > FORD F-100 | F-150 SERIES > 2004-2008 Ford F150

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Old December 20th, 2016, 03:27 PM
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Stone F150 Stone F150 is offline

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Default 2005 F150

2005 F150 4X4 5.4 Lariat 66000 miles
Just started having problems with fuel injectors. I have a # 8 misfire P0308
Left bank lean P0178
Bought new injectors Motorcraft CM5138
Has anyone done this job yet?
Still have original spark plugs too.
Old December 21st, 2016, 11:16 AM
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Please recheck that code - P0178 is not a lean code.

Yes, there are known fuel injector issues with the 2005 5.4 3 valve. However, the Ford extended warranty on them expired last year. At 66k, I would change the spark plugs with Motorcraft SP515 and also change the coil boots. Be aware of the sticking and breaking issue with the spark plugs and research the procedures and tools before you do the job.

2003 F-150 XL RCSB 2wd 4.2 5 speed 3.55 LS

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