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Last Updated: September 29, 2026
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In this video, you'll learn the The FIXD wireless OBD2 scanner and free app for iPhone and Android translates your check engine light into plain English so ... For More Info visit us at: trq.video/h-eXD Eric the Car Guy is here! He's visiting TRQ to explain check engine Hi everyone, Oscar Gomez here from Master Automotive Training! In today's video, I'm going to walk you through the P0420 catalyst system efficiency below threshold
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