Top 6 Causes of Low Compression | Car Fix

Low engine compression can lead to rough idling, misfires, loss of power, and even engine failure. In this video, we’ll break down the top 6 causes of low compression and what you can do to fix them! 📖 Read our book on Car Sensors: How To Diagnose Them: https://amzn.to/4sSeCmy 📖 Check out my Car Sensor Guide: https://obdcode.org/car-sensors-expla... 🔧 Watch Next: ▶︎ Car Dashboard Warning Lights: What They Mean & What To Do:    • Car Dashboard Warning Lights: What They Me...   🚨 Common Causes of Low Engine Compression: 1️⃣ Worn Timing Belt or Chain – If it skips teeth or breaks, valve timing is thrown off. 2️⃣ Cracked Cylinder Head – Causes compression leaks, often due to overheating. 3️⃣ Leaky Valves – Carbon buildup or wear prevents a proper seal. 4️⃣ Damaged Cylinder Wall – Scratches or scoring reduce sealing efficiency. 5️⃣ Head Gasket Failure – A blown gasket allows compression to escape. 6️⃣ Camshaft Lobe Wear – Worn lobes affect valve timing, reducing compression.