I just replaced the timing belt and four tires and the mpg wnet down 20%. I ASSUME IT IS THE TIRES any thoughts?


Asked by drmast Dec 13, 2012 at 03:28 PM about the 2006 Toyota Highlander Limited AWD

Question type: Maintenance & Repair

1 Answer


Are the new tires larger than the old tires? Try raising the tire air pressure. 20% is a huge drop and it might be a combinations of tires and engine work.

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