Quote:
Originally Posted by bandit86
My o1 grand cherokee has been averaging 19 highway since I bought it last month. I changed the spark plugs and fixed some grounds and just got a 23 mpg fillip, 1/3 of it driving in a blizzard.
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What do you mean by fixing grounds? What grounds did you have to fix? This sounds like some useful information. And what kind of spark plug did you put in?
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2006 Hyundai Elantra GT 2.0L (Manual)
Weapon-R secret weapon intake with ram air kit ScanGauge Belly Pan
http://www.cars.com/ City 27 mpg - Highway 34 mpg
http://www.fueleconomy.gov/ City 23 mpg - Highway 31 mpg - Combined 26 mpg
