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1997 Ford F-250 Repair Question


Topics covered: Smoke, Coolant, O ring.
Mileage: 332,000 miles.

Asked on January 29, 2012

I have a question about my f250

The truck has a 7.3 powerstroke and when i start it up in the cold it smokes white really bad then it turnes into light blue and also it slightly smokes light blue at operating temp. i have outruled the injector o rings.turbo o rings,piston rings and injector cups. could it be the fuel pressure regulator???
Avatar Asked by 97stroker

Answer

Replied on January 29, 2012

Light blue smoke is oil burning, you may have bad vale stem seals and worn valve guides.

Tiny Answered by mhpautos (expert)
27,074 answers provided
Replied on January 29, 2012

The white smoke sounds like coolant. Check to make sure the coolant isn't going low.

Tiny Answered by Jacobandnickolas (expert)
57,475 answers provided