2002 Dodge Grand Caravan MPG has decrease?
My 2003 Dodge Grand Caravan MPG has decrease. Could it be the corn the refineries are adding to the gasoline? I have a 3.3 engine. I now have over 113000 miles on this vehicle. I have changed the spark plugs and wires, air filter, gas filter, PCV valve, check trans fluid; check tire pressure. I change the oil & filter every 3000 miles.
What do you think is the problem with my decrease MPG?
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