motox_365

Hey for the past year or more my truck has had a sputtering issue. Under a load it seems like it will miss or something. There are also times that if i let off quick it seems to start running on less cylinders and the truck will shake and idle rough until i let off the gas and get back into it. If it seems to kick out some cylinders like that at an idle i can usually just blurp the throttle and it will clear back up. My buddy was riding with me one day and he said he has a friend who's truck would do that and ended up being a cam position sensor or crank sensor or something. I figured it was maybe the plugs so I changed them last year and didn't change. Had a K&N FIPK intake on it and figured maybe that was it but took it off and still does it. Let me know if anyone has had this issue. Thanks alot

motox_365

Oh and P.S. it doesn't throw a code

dos0711

Check your fpdm

motox_365

whats that?

techrep

iTrader: (1)

Fuel Pump Driver Module located under your spare tire mounted to the frame ...lets us know what you find ...

F-150 freaak

X2!!

motox_365

what am i supposed to check with it? physical condition of it? buy a whole other guinea pig one to see if it helps? i looked that up on google and most of the ones i that have that part go wrong won't even start or run or anything.. am i missing something?

techrep

iTrader: (1)

The back side of the module corrode's and exposes the circuit board and can cause intermittent problems like you described... very common problem..if it looks ok I would look at Plugs and COP's as your problem...maybe even a dirty MAF and or throttle body.

duckhunter1

I know yall said its located under the spare tire carrier but where exzactley everything pretty dirty under mine i see alot of plastic wire protectors running all over. Just wnat to amke sure iam looking at the right part. I am having the same issues as motox_365. thanks

powerranger262

Change your fuel filter if you haven't already.