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looses power when it warms up

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Old Oct 3, 2010 | 09:53 PM
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james ward's Avatar
james ward
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From: marble hill,mo.
Question looses power when it warms up

i have a 1996 f-250 7.3[i think] diesel power strock. starts fine. on cool mornings blows white smoke for maybe 45 sec. or 1 min. clears up, runs fine until it reaches operating temp. then it starts missing &looses power. i can still run 70/75 mph but have to get a lower gear on some hills. new cps, fuel filter, fuel additive,air filter,and fuel. all of this made no difference. a real head scratcher. please help. ps. 1st. time diesel owner. moter has maybe 80000 mi.
 
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