A vehicle not running at optimum temperature will use more fuel, first because it takes longer to go to closed loop operation, and because it will dump more fuel when it is cooler.
Also at 110k miles spark plugs, if the original ones, should be replaced. worn plugs can also cause poor fuel economy.
Also at 110k miles spark plugs, if the original ones, should be replaced. worn plugs can also cause poor fuel economy.
