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| 2004 to 2008 F-150 and Mark-LT 4.2L, 4.6L and 5.4L equipped F-150s and Mark-LTs. |
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#1
Thu, May 26th, 2011, 09:38 AM
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It sounds like you've got the same problem as some others out there (including me). I'm just getting into researching this problem for my truck. I found this thread... http://forum.gopowerhungry.com/gryph...puttering.html. It described my problem pretty accurately. I still haven't found the cure, but I'm sure there's one out there...
There are plenty more threads on the forum about it, search the word "sputtering" and you'll find a lot more info about it... 
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#2
Sun, June 5th, 2011, 10:59 PM
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Yea I'd clean up my MAF sensor (aftermarket filters you oil like k&n can coat the sensors with oil and make them run weird) and run a can of seafoam through my gas/vacuum lines (if high mileage).
Also like 88 said check that module I caught mine when I first read about it, I sanded the oxidization off of it then painted it all black to help resist corroding anymore, good prevention if not the issue at least. I have a friend who has driven his truck with a cracked module for like 2yrs now and I don't know how he hasn't gotten stranded yet! Tune up if ya haven't done that in a long time wouldn't hurt either but don't think it'd cause odd symptoms like that.
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