Keep your Engine properly Tuned

by Dan N, Jan 12, 2012

Keep Your Engine Properly Tuned

Getting a tune-upFixing a car that is noticeably out of tune or has failed an emissions test can improve its gas mileage by an average of 4 percent, though results vary based on the kind of repair and how well it is done.

Fixing a serious maintenance problem, such as a faulty oxygen sensor, can improve your mileage by as much as 40 percent.

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