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Well I was hoping it was a one time thing but I guess its back.Would any one of you have ideas on why my e4od doesnt want to shift out of lower gears when underload. Im pulling my 26ft fifth wheel camper with these 90 f350 7.3 turbo e4od 140,000 miles.Please help S.L.
First of all, you would get a lot more response if you go post this in the Tranny tech section.
The FIPL sensor and/or MLPS would cause late or no upshifts if they are worn out.
Does it always shift late?
Has it always acted like this?
Does it shift hard?
How much does the camper weigh? It may not have enough power to pull in the higher gears.