Question about 2002 Ford F250 Super Duty SuperCab

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Truck jolts a couple times then the emission light comes on

I will be driving my 2002 f 250 7.3 liter diesel and it feels like the transmission jolts real bad, then the emission light comes on. Last week it happened on the interstate and when I got onto the exit the truck stalled. I replaced the fuel filter thinking it may be that, but it happened again today.

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Check the water in the water separator, then check the fuel line for leaks, a leak in the fuel line can cause air to get sucked in and then the fuel is replaced with air in one or more cylinders (no fuel no fire=jake braking)
this will also cause the emissions light to come on.
these are not the only problems, but they are the free to fix first problems.
after that, it might be electrical, and have to go on the diagnostic machine at Ford

Posted on Feb 12, 2009

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Posted on Jan 02, 2017

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