Question about 2004 Ford F250

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04 f250 6l diesel cranks but will not start when cold.

Truck not used very much, might sit 2 weeks at a time.
When I attempted to start it just cranked away .
I am told that the oil could be the trouble , because the injectors use oil to fire.
I don`t use the truck much,so oil changes are only once a year.

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It seems that because it sit's for a while that perhaps it's losing it's prime. if ythis happens generally you will have to reprime the fuel system. in a diesel system you also have glow plugs to help ignite the fuel. check to make sure your glow plugs work, but i would start with whether you have proper prime in the fuel system.. please rate this

Posted on Oct 09, 2008

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Hope this helps; also keep in mind that your feedback is important and I will appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

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===
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