Jet Chuh on Instagram: "How to Diagnose Excavator Engine Stall: Hydraulic vs. Engine Problem "Trying to figure out if your excavator stall is caused by the engine​ or the hydraulic system? Let’s diagnose it step by step! 🔧 Step 1: Avoid Complex Movements​ 🚫 Do NOT test by operating the boom and arm simultaneously​ – this can overload the system and give false results. Step 2: Test Bucket + Swing​ 🔄 Operate the bucket and swing motor together. ✅ If the engine stalls during this test, the probl