Ford V10 gradual reduction in fuel economy
I have a 26' Class C on a 2000 Ford E450 chassis with V10 engine now with 115,000 mile on it. I used to average 8.5 mpg pulling a 3400 lb toad but over time the economy has deteriated to the 7.5 to 8....
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Total cost at my Ford dealer to replace 10 spark plugs and coils, fuel filter, serpentine belt and oil pressure sensor was $1,776.53 back on Feb 2017 at 99,167 miles.
