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Hey Everyone
First time user on one of these site...i have an 07 F150 5.4 ...love the truck but hate the issues i have been having lately...over the last few weeks the truck has been sputtering in the morning and sometimes after i leave work. up until last night i have changed a bunch of parts trying to find the culprit but to no avail....Finally last night after work the truck did it again and the engine light finally turned on...we were able to get a code...P0305 and P0316...number 5 cylinder Misfire and misfire occurred in the first 1000 engine revolutions....My question is now that i have found this code...what does it means and how do i fix the problem...cheaply??
Ive changed the fuel sensor (by the spare), fuel pump, fuel filter and all 8 plugs, and number 1 coil...plus additional items that shouldnht have anything to do with this issue...uppers and lowers, front and rear brake and a brand new whole rear end.