Question about 2005 Ford F 350 Super Duty

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2005 f350 blows white smoke when on the throttle hard.

When stoped and trying to get moving the truck has started to blow white smoke. not too sure what to check.

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  • ltiwelding Oct 25, 2008

    Bosst gauge when hard on throttle will reach about 25 psi filter could be clean did not try that?

  • manzinator Oct 31, 2008

    i drove my truck for awhile didnt notice any overheating and still same problem...


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I recently had this same problem. Ford replaced both the EGR valve (first) which didn't solve it, then the EGR cooler, which did. Both were covered under the 100,000 mile warranty. A strong indicator that this is the real problem would be if you are also losing coolant, but the oil dipstick doesn't reveal water in the oil (brown color).

Posted on Nov 26, 2008

Sounds to me like a head gasket. Keep an eye on your coolant level. Also make sure your degasser bottle (where coolant goes) is clean. If your head gasket is gone, exhaust gas will overpressure the bottle and coolant will be released. It will leave a white/grey film on it.

Posted on Oct 30, 2008

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Could possibley be a coolant leak, but no guranteed, if too much fuel is being injected for the amount of air entering, diesel fuel can cause a white smoke. I would check the air filter first. Is the boost gauge working, and if so how many PSI of boost are entering the engine?

Posted on Oct 25, 2008

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