💨 Quick fix for misfires and smoky engines. If your Caterpillar engine has a misfire or performance issues but no error codes, the Cylinder Cutout Test can help diagnose the problem. 🔍✅ Using Caterpillar ET, go to:➡️ Diagnostics➡️ Diagnostic Test➡️ Cylinder Cutout Test🔧 Shut off each cylinder individually to check for bad injectors or pinpoint the cause of smoke. Follow me for more tips. 🚛 #Caterpillar #TruckDiagnostics #DieselEngine | Oscar Truck ECM