I’ve seen plenty of threads on this issue, but hopefully you guys can help me and others out when searching for this in the future. Just got back from a 600 mile road trip and noticed a puddle of coolant under the truck (2013 3.5 82k miles). It appears to be coming from one of the fittings...

Original thread was too large so this will be the continuation of that thread. Previous thread can be found here: https://www.f150ecoboost.net/forum/17-f150-ecoboost-towing/8-pics-your-f150-eb-towing-223.html

hey guys, I’ve got a 2015 3.5l F150. I’ve been having an issue and I can’t seem to track it down. So here’s the rundown... new coils and plugs (6k on them) I’ve tried 2 different tuners (N’Gauge & EZ LYNK) along with 2 different tuning companies. When the truck is flashed to stock, no issue...

Ok I read the big long thread of people arguing already. This is the billionth time I’ve researched it, and I keep getting conflicting info. With my Tacoma I got 2 mpg better with ethanol free. now with my 2018 ecoboost I’ve been running ethanol free since September (when I bought it) and...