Diesel Bombers - 2002 ford f550 7.3 powerstroker

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frank90304

02-11-2019 09:54 PM

2002 ford f550 7.3 powerstroker

When I'm driving on the hwy about 45 miles hour it drops to under 2000 rpm then when I get up to 60 - 70 miles it's about 2700 rpm. It shift all 4 gears good. What could it be.

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