johndeerefarmer
Member
Ford added port injection on the 3.5 eco to avoid problems. Until they add it on the other engines you may have trouble. I run Techron in my 2.0 ecoboostThe 2.3L from the '80s was a completely different engine from the turbo engine in current use in multiple Fords, including the Ranger.
The 2021 F-150 PowerBoost uses the 3.5L EcoBoost V6 along with an electric motor in series with the torque converter. That's a bit of an apples to oranges comparison though since the 3.5 does use both port and direct injection.
I wouldn't be all that concerned about coking on the 2.3 in the Ranger. That generally is more of an issue under low-load conditions. With the amount of weight it has to carry around in the Ranger I doubt there will be all that many low-load episodes.
If you are that concerned you could also add an oil separator into the PCV system, if Ford hasn't already.
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