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I have a 2009 Smartcar Pure, and i know the manual says use 0.035 gap for spark plugs and brand should be DENSO XU22 HDR9, but I bought NGK brand and the gap is 0.036 will this affect my car in any way?? sorry im so new to this and want to do the maintenance myself to save money, but need help with this.


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No, 0.001 difference is fine. Good question. If we were talking a 0.02 difference then we'd have to do some adjusting. (Notice what place I am talking about)
 
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