How to Handle Your LMM Injector Removal

Starting an lmm injector removal isn't exactly how most people want to spend their Saturday, but if your Duramax is hazing at idle or throwing balance rate codes, it's a job that just can't wait. The 2007.5 to 2010 Chevy and GMC trucks are workhorses, but even the best engines eventually need some fuel system love. The good news is that, unlike the older LB7 engines, you don't have to pull the valve covers to get to these injectors. They're sitting right there on the outside, though "right there" is a bit of an overstatement considering all the junk you have to move out of the way first. ...

February 5, 2026 · 7 min · Krumholz Dafni