Equipment & Gear > Power Equipment & RV

Are you using a Diesel Fuel Additive and if so which one?

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b23:
Most people I know with a modern diesel are using some type of diesel additive to help extend the life of the CP4 pump.  As to what everyone is using, well, that appears to be one of those ask ten people get ten different answers kind of things.  I've had people tell me they use ATF, 2 stroke oil, Marvel Mystery Oil, to a wide variety of the different specific diesel fuel treatments. 

The last diesel pickup I had was a 6.0 I sold 10+ years ago but now that I do again it seems to be common practice to run some kind of fuel treatment mostly to help lubricate the CP4 pump.

If you have a diesel and you're using a fuel treatment what are you using?  I've only got 700 miles on my 6.7 so far but I started out using Archoil 6500 but I may switch to Amsoil diesel fuel treatment after I use up this Archoil stuff I bought.

bustedoldman:
I've used Archoil for years with no complaints....In both Powerstroke and Duramax.

buglebuster:
I have a 6.7 powerstroke with the notorious cp4 pump. I have used it a handful of times but not much. I won’t buy anymore I think it’s all hype. If you look at the actual failure rate is so minimal it’s most likely a non issue. My truck has 280k miles on the stock cp4. Either way, with that said I was using hotshots EDT when I would use it. I did put a S & S diesel disaster prevention kit on my truck, just in case.

trophyhunt:
I put a bottle in with every fill up, especially when in small towns.  I buy a big bottle and fill up the smaller ones and keep them in my truck.  I have an 06 gmc duramax, runs like a champ!! (Knock on wood).

Skillet:
I use the same stuff as @trophyhunt in my '06 6.0 Ford, and use the same "big jug / small bottles" method.  *Almost* every fill up .  No CP4 concerns on my rig, but I hear they're known to have a few of their own minor problems  :chuckle:

This guy recently put out a great vid on additives, worth the watch imho -

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