Last winter, I put a Garrett PowerMax Stage 1 turbocharger on my ’07 truck’s 6.6L Duramax engine. The truck ran great until I slipped my 30-foot toy hauler on the gooseneck. On the first long grade I ...

It's always a terrifying experience when you turn your key, your vehicle starts, and the check engine light shines in your face. The first thing you should do is grab an OBD-II reader, otherwise known ...