Question about 2003 Ford F350 Super Duty DRW SuperCab

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03 F350 6.0 diesel. Won't start. Sometimes starts when extremely cold. Was told needs oil pump. I assume it is the fuel oil pump. Quoted a $2000 price to change it. I am a mechanic but not a diesel mechanic. Where is the pump and how I diagnose it as bad? And how do I change it?

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Its not the pump if it runs at all...try giving the batteries a good charge seperately out of the truck. if the voltage goes under 9volts when cranking the pcm will not boot up and send the cam signal to the ficm. also plugging in the block heater may help.

Posted on Jan 20, 2011

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