2005 E450 Ford V10 intermittent misfires
My 2005 class C is built on a 2004 frame with the Ford V10 in it. It has developed an intermittent misfire this year but not enough to give a CEL. Google searches tells me that it probably needs...
Forum Discussion
Grit dog wrote:
^Yes some reports were loose spark plugs, but how you know if it was actually loose if it’s not connected to the engine anymore. Some would loosen, but I doubt anymore said hey that’s loose, let’s leave it and see if it blows out…
The root cause of the early 2V engines (not yours) was only 4 threads in the heads. They were revised to 8 threads and that helped quite a bit, but didn’t totally eliminate the problem.
So not a V10, but later model 5.4s in cutaway chassis apparently spit plugs too.
Was talking to my buddy this afternoon he was driving home in his 2015 E350 work van. 100k miles. Spit out its second spark plug. Last one was a few years ago.
Idk if the “newer” cutaways still have the old 2V heads or what.
PS he’s a die hard Chevy guy but inherited 3 Ford vans with the company he bought.
