Old diesel fuel
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Rancher
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Not much to go on here. Does the engine run strong? Does it smoke when started? Off hand I would chek injector pump timing and advance a tad.
D2Cat
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Since it starts and runs, top it off with new fuel and work it hard for a day.
DCB4
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This right here would be the ticket. Thros some additive in there with it for piece of mind
wbvs58
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I would check the fuel pickup in the bottom of the tank, sludge can cause the lift pump to work hard to deliver fuel and when you shut it down it sort of sucks the fuel back a bit and when you start it up again after a long rest it has to work to get the fuel back up there. A quick but temporary fix would be to disconnect fuel line and blow air back in there to clear it. I had a similar problem with my Cat D4D after one track abruptly sunk in a spring and the lurch disturbed the sediment in the tank. Certainly worth looking at before making any adjustments.
Ken
Ken
@Caustic Burno will be able to tell you the answer to this. He is an expert on all things fuel.
Nesikep
Well-known member
3 year old diesel isn't very old IMHO.. I'd go with what D2Cat said.. run it hard
Is it recent that it's been hard to start? my IH684 likes a little sniff if it's less that 70F out, but it runs fine
Is it recent that it's been hard to start? my IH684 likes a little sniff if it's less that 70F out, but it runs fine
Named'em Tamed'em
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You enabler you!
Stocker Steve
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Check for water and gray scum in your fuel filter system, before adding anything.
Silver
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My 1486 would need ether to start if I walked past with a cold beer. But after she was up and running she was as strong as could be.
D2Cat
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Good idea, but if it starts and runs it sure doesn't have water and algae in it. However, anyone who doesn't run a diesel engine often should add some algeside to it.
Redgully
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Petrol or diesel? Diesel can last in good condition for at least two decades i know of personally.
damengineer
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Change the filters and drain any water out the bottom of the tank. Get a bottle of Howeé fuel conditioner and add the entier bottle then fill the tank full. Run it and use it. I add Howe's to my storage tank at the rate it recommends and then add a quart to each tan in winter. It will make an old engine run like you overhauled it. During the cold snap you couldn't find Howe's the truckers bought it all up. I had the recommended amount in my storage tank and it gelled at -15 one morning, but the fuel in my tank was fine because it had more in it....
How Long Does Diesel Fuel Last In Storage?
One of the costs that has to be factored in when dealing with any sort of transportation work is fuel. The large fluctuations in diesel fuel prices - especially in recent times - many choose to buy in bulk, storing the fuel they need for their trucks on-site, yet even this has a cost attached to it.
Old diesel with sulfur may have been different. Not to say you can't still use it, I wouldn't be running it in a common rail diesel.
Caustic Burno
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On diesel fuels that age I would suspect gum formation due to oxidation. Different crudes are better or worse from different regions of the world.
I would use what's in in to kill weeds.
As already suggested replace the fuel add some Power Service diesel kleen and run it.
If it's still hard cranking I thinking injection timing.
