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  1. ('09-'13) 2012 - Hard Idling Engine Vibration after spark plug change?

    EJ25 - 2.5L Turbocharged (2004-2013)
    Hey guys, I wanted to get you guys opinion, I recently did a spark plug change, I got the NGK off amazon, shipped and sold by amazon. I had trouble torque the last spark plug in, driver side rear. It felt tight but that might have been because of the all the adapter and attachment I used to...
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