Join Date: Feb 2009
Location: St. Louis Park
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03 7.3L Oil and Fuel consumption (excessive)
I have a 2003 7.3L with 37000 miles on the motor. It was put in the truck at a Ford dealer before I bought. Has warranty. On my last oil change i used a little over 3qt (5000 mi interval). Took to ford, they ran their tests and came up with nothing. Now they are running an oil consumption test. So far it has used 3qt with 2000 miles left on this interval. No black smoke unless I can it and then i only get a puff. When its warm or hot out i see a little haze sometimes. Motor seems to run perfect other than the fact that my oil is dissapearing.
I also started paying attention to fuel consumption after this latest test was started. I'm getting 8-9 mpg now. down from typical 12.5- 15mpg for what i do
2003 F-250 Super Duty XLT
AFE Stage II
4 inch MBRP Turbo Back Duals
Autometer Boost and Pyrometer
Optima Red Tops
I'm leaving it alone. No chips for me. The motor is new
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and I don't want warranty problems.