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Question:

Is there a diesel fuel additive out there that actually works?

I have been considering spending money to buy a fuel additive to increase my mpg and hopefully as an end result help me save money on gas. I am leery to start buying tablets though as it is an added expense in itself. Does anyone have any experience with diesel fuel additives? If so, can you recommend one that works?

Answer:

Try Howe's. If this doesn't improve your performance after one 1/2 gallon bottle then there may be something wrong with the engine or your driving habits are just too hard for to benefit from a diesel. Howe's is sold as an anti-gel but most of the old timers I use it year round. You can't add too much and it's a good back up if you gel up in winter. Just pull the fuel filters and pour the gelled fuel out and refill the filters with Howe's and add the rest to the diesel fuel. P.S. Something known only to old truckers. NEVER fuel up in Missouri. They water down the fuel (organized crime trick) and every driver I have ever spoken with has gelled up, sometimes right at the pump, from fuel purchased in Missouri. Good Luck!
uh you go hard. I'd like to see you deadlift more than professional bodybuilders
Older or high mileage diesel car respond really well to redex in the fuel. All that redex does is break down the carbon that builds up in the cylinder head, obviously diesel engines run a lot dirtier than petrol engines so the respond really well. Ja.
I work in as a fleet mechanic on International trucks. There is no diesel additive on the market that will increase your fuel mileage. There are plenty of additives out there, but nothing that will improve your fuel mileage. If there was, we would be using them in our fleet. The only thing we ever put in our fuel is automatic transmission fluid. We put a quart in the fuel about every third tank because it is high detergent and helps keep the nozzles clean. I am sorry to tell you, the only way to improve your fuel mileage is to change driving habits. This didn't set well with our drivers either.

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