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I don’t know if I just have bad luck, or maybe I just drive like too much of an A hole. I have had 3 F150 3.5 eco boosts since 2012 (the 3rd being my 2019 Rap). Every one of them started idling a little rough around 30k - 40k miles.Replacing the plugs always helped. Usually around that same time frame, I have a coil go bad as well…On the Rap, replaced the plugs at 35k, smoothed things out a good bit. Just replaced the first coil at about 39k, and think I have another that will probably be throwing a check engine light within a few K miles. I might just replace all the dam coils in 1 go.And I don’t even have a tune.Full-race Geoff appears to have a good recommendation for plugs I will likely try next, post 3 in the link below.[URL unfurl="true"]https://www.fordraptorforum.com/threads/full-races-gen-2-5-raptor-build.104036/[/URL]
I don’t know if I just have bad luck, or maybe I just drive like too much of an A hole. I have had 3 F150 3.5 eco boosts since 2012 (the 3rd being my 2019 Rap). Every one of them started idling a little rough around 30k - 40k miles.
Replacing the plugs always helped. Usually around that same time frame, I have a coil go bad as well…
On the Rap, replaced the plugs at 35k, smoothed things out a good bit. Just replaced the first coil at about 39k, and think I have another that will probably be throwing a check engine light within a few K miles. I might just replace all the dam coils in 1 go.
And I don’t even have a tune.
Full-race Geoff appears to have a good recommendation for plugs I will likely try next, post 3 in the link below.
[URL unfurl="true"]https://www.fordraptorforum.com/threads/full-races-gen-2-5-raptor-build.104036/[/URL]
