Fuel injection cleaning

[Msfitoy]

I put a bottle of fuel injector cleaner through approx. every 5000 miles, and upper cylinder lubricant every other tank.
As with most additives, and oils for that matter, find a brand you like and follow what the label on it says. Our owners manual just assumes you're using Ford additives, oil & filters.

I do the same...but how do you do the upper lub?

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[Canadian Ranger]

I do the same...but how do you do the upper lub?

I use Amsoil's Upper Cylinder Lubricant.......
https://www.amsoil.com/p/upper-cylinder-lubricant-ucl/?zo=1737672