🔑Injector trim codes are key to Caterpillar performance! For C15 engines (1996–2004), each injector has a 4-digit trim code. 🔢This must be programmed on the ECM for optimal engine performance. Specifically when swapping or replacing inyectors. 🚛✨💡 Questions? Drop them below! #Caterpillar #DieselEngineRepair #TruckMaintenance | Oscar Truck ECM

Caterpillar C15 ECM: Missing Injector Mystery Solved! 🕵️‍♂️⚙️ 🚚Having an injector issue with your Cat C15? We can help! -The Problem: This ECM seemed to be missing injector number 4. -The Test: We ran a diagnostic with only the injector 4 solenoid disconnected. -The Result: The ECM still powered injector 4 (as seen in the video)! -The Takeaway: The issue isn't with the ECM! Got a question about your Cat ECM? Leave a comment below, and we'll troubleshoot together! ⬇️ 👉Follow me for more Caterp