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Changing Spark Plugs and Why it Matters

Whether you’re an automotive DIY-er or a DIFM-er (that’s Do-It-For-Me), it’s always good to have some insight on the parts you need – or think you might need – to replace.   To celebrate DENSO’s new Iridium TT Spark Plug HD, we caught up with DENSO’s James Miyamoto, in powertrain product management, to get some insight into […]