Should You Really Do an LB7 FICM Delete on Your Truck?
If you've been scouring the diesel forums lately, you've probably seen guys talking about an lb7 ficm delete and wondered if it's actually a smart move for your Duramax. It sounds like one of those "while I'm in there" projects that could either save you a massive headache down the road or leave you stranded on the shoulder of the highway. Most of the time, when people talk about this, they aren't actually removing the Fuel Injection Control Module (FICM) entirely—because, let's be honest, your truck isn't going anywhere without it—but rather they're talking about deleting the fuel cooling lines that run through it. ...