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Old 03-27-2013, 12:25 PM   #15 (permalink)
jayliu1984
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Join Date: Mar 2013
Location: vacouver, Canada
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Thanks for all the replies guys. Can you please, when you suggest what to check, include what I should look for.

How do I check a O2 sensor? I can take it out and then what? I am sure it won't be shiny but how do I know if it is affecting my mileage.

Or spark plugs, what do I even look for?
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