Question about 2004 Ford F350

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I have a 2005 Ford F350 6.0 Diesel and It wont start after the motor gets warm. It also starts rough when cold. When it is running it runs great. Any help would be appreciated.

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I had this same issue and luckily my F350 2006 was still under warranty. Basically there is a high pressure oil system that has a tendency to leak internally. You won't see any oil leak. When cold the oil has enough viscosity to keep the pressure sensor from not allowing the engine to start. When the engine is warm the system doesn't reach required pressure to allow the engine to start. In short it's a Ford dealer repair. Good luck.

Posted on Jun 03, 2010

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