Shadetreemechanic
Full Access Member
The guy that drives my 85 f-350 says he has moved from 14 to 15.5 mpg in the month since I replaced a failed lift pump. It was mechanical before and is mechanical now. Its a delivery truck and gets about 500 miles per week on the same route.
Any theories as to why the mileage would change? I'm confused.
Any theories as to why the mileage would change? I'm confused.