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2004 - 2008 F150 2004, 2005, 2006, 2007 and 2008 Ford F150's with 5.4 V8, 4.6 V8 or 4.2 V6 engine
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Old 02-15-2013, 01:18 PM
Joco4x4 Joco4x4 is offline
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05 f150 "jerking" in overdrive

I have an 05 f150 5.4 and when it shifts into overdrive the whole truck starts jerking, if i turn overdrive off it shifts and runs smooth through all other gears. When it does start jerking if i give it gas and speed up it stops and runs smooth, any idea what my problem could be?
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Old 02-16-2013, 06:28 PM
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spark plugs
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Old 02-17-2013, 09:15 AM
timests24 timests24 is offline
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That's exactly what mine was and since yours is a 5.4 better check into changing them if you plan to do it yourself. I bought the extractor first, then changed them and it took 6 hours and broke 2 of them. Pain in the butt to say the least.
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Old 02-17-2013, 03:59 PM
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BatteriesNotINCL BatteriesNotINCL is offline
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Originally Posted by timests24 View Post
That's exactly what mine was and since yours is a 5.4 better check into changing them if you plan to do it yourself. I bought the extractor first, then changed them and it took 6 hours and broke 2 of them. Pain in the butt to say the least.

I'd also get some Kroil to loosen up the plugs to reduce breaks! I've helped a couple people do theirs and we used a variety of products but it Kroil seemed to have the least amount of breaks!
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Old 02-18-2013, 10:39 PM
Bent6 Bent6 is offline
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Could be a bad coil or coil boot. I'd change the plugs and replace the boots.
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Old 02-22-2013, 09:54 AM
dgapco dgapco is offline
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It might be the Coils or the spark plugs. When changing the spark plugs make sure they are not hot or they will break off, just had that happen to me.
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Old 02-23-2013, 11:22 AM
Jeff Olsen Jeff Olsen is offline
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I agree with everyone else most likely the spark plugs. Just went through this with my 08 and fixed the problem. Two plugs were badly worn at 95,000 mi. Luclily my truck has the SP509 plugs so it was not that hard to fix....
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Old 02-26-2013, 10:38 PM
fx4pitrone fx4pitrone is offline
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Quote:
Originally Posted by Joco4x4 View Post
I have an 05 f150 5.4 and when it shifts into overdrive the whole truck starts jerking, if i turn overdrive off it shifts and runs smooth through all other gears. When it does start jerking if i give it gas and speed up it stops and runs smooth, any idea what my problem could be?
I just saw your post... symptoms sound like mine...bangs into gears when climbing slight incline, and only when overdrive is off. It does not occur when OD is off... Truck also seems more slugglish now than it used to... I'm gonna talk to my service guy at the dealer and hopefully it's not the tranny like I thought!!
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Old 02-27-2013, 07:22 PM
Jeff Olsen Jeff Olsen is offline
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I would say it is not the tranny. Mine was doing the same thing and I originally thought tranny was going. Ran scan tool and showed no misfires. Change my plugs and two plug electordes were badly worn. This has fixed my issue if it doesn't fix yours check your coil on plugs.
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Old 02-27-2013, 09:49 PM
fx4pitrone fx4pitrone is offline
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Thanks jeff!
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Old 02-27-2013, 09:49 PM
 
 
 
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