Tips for Dealing With a 2003 Duramax Fuel Filter
Changing out your 2003 duramax fuel filter is one of those maintenance tasks that every LB7 owner eventually learns to do with their eyes closed, mostly because doing it frequently is the only way to keep those notoriously sensitive injectors happy. If you've owned an early 2000s Chevy or GMC HD truck for a while, you know exactly what I'm talking about. The LB7 engine is a legendary workhorse, but it has a bit of a reputation for being picky about fuel quality. Since the injectors are tucked away under the valve covers, replacing them is a massive, expensive headache. Spending a little time and a few bucks on a fresh fuel filter is a no-brainer by comparison. ...