Fixing Those Common LLY Injector Harness Issues
If you're driving a 2004.5 or 2005 Duramax, you've probably had a run-in with your lly injector harness at some point, or at the very least, you've heard the horror stories. It is one of those quirks that gives the LLY engine a bit of a reputation, even though the engine itself is a workhorse. One minute you're cruising down the highway, and the next, your truck starts shaking, the check engine light pops on, and you're suddenly limping to the shoulder in reduced power mode. It's frustrating, but the good news is that once you understand what's actually happening under the hood, it's a lot easier to deal with. ...