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09-04-2012, 02:32 PM
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#1 |
 
Drives: 2008 Yaris sedan A/T Join Date: Oct 2008
Location: Costa mesa, California
Posts: 353
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28mpg to 45mpg city/highway
I change my spark plugs and my mpg increase, I think the oem japan spark plug suck, cause since I got my car brand new im just getting 28 to 32 mpg and now I replace it with USA denso spark plug from toyota dealer, its a huge jump of mpg 45mpg is like a hybrid now.
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