What could possibly be wrong with the 7.2 Caterpillar 3126 diesel engine? Here's everything you want to know about the Heui pump 3126, 3126e, 3126b CAT series diesel engines that came after the 3116 and before the C7. | DEBOSS GARAGE

🚨 Is your ECM causing misfires? We’re working on a Caterpillar 3126 ECM today. 🔧The customer replaced injector 6 and harness, but it's still misfiring. After testing, we confirmed the ECM is the problem. 🛠️Inside, we found poor soldering on several pins, which caused the issue. ⚡💡 Tip: Always test your ECM before and after repair to make sure it’s working 100%.Got ECM issues? Drop a comment below 👇 #Caterpillar #Trucks #TruckMaintenance | Oscar Truck ECM