Quote:
Originally Posted by Albatross
You can buy some storage additives, I'm sorry nothing particular is coming to mind, but I used them several times while in the military and going out on deployments as a single dude.
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You'll want a good Diesel Biocide. Put it into the fuel tank, and drive it on an hour long trip to get that stuff into the fuel system including fuel filters etc. It'll get there on it's own by driving it for an hour. If there's already growing bacteria in the fuel system it will kill it. Might also want to drop a 1/4 of a bottle of Citane booster at the same time. 1/4 of a bottle is good for a whole tank, it will give your injectors a good cleaning. Expect smoke, lots of smoke. This will be a good smoke though so do not worry. The Citane booster cleans the injectors and gunk will fall off of them when running and then the engine burns it up and comes out as smoke. When you see the smoke you may even notice the engine speeding up just a little. This is also fine as long as it doesn't do it for too long, but if you notice sputtering at random times while running it, it's normal. That's the citane booster burning and cleaning the injectors.
And lastly also you can throw in some Stabil Diesel additive to prolong the life of the fuel that will sit there for a long time.
That takes care of the fuel system.
Next I would change the oil just so there's fresh stuff and not gunked up oil. You want oil to be on the internal parts to keep it from rusting internally.
Every 3-4 months, I would crank it up and let the engine run for an hour at minimum to get things churning again, oil coverage, fuel system moving etc. It's still not the best to never drive it but if it's going to sit, I'd still crank it up about that much every so often.
Battery disconnect. Install it, or just unhook the negative batteries so they last. Batteries can last a couple of years without losing much power if nothing is drawing on them like an ECM etc.