I had an oil change and tire rotation on Monday at a local dealership. Since then my MPG has dropped about .7 mpg.
Same tank of gas, same driver, same roads.
I never noticed a change before. Wondering if they could have used a thicker oil? Any other explanations?
Same tank of gas, same driver, same roads.
I never noticed a change before. Wondering if they could have used a thicker oil? Any other explanations?