Rick's Free Auto Repair Advice

Posts Tagged: Blue smoke from the exhaust

Blue smoke from the exhaust — what does it mean?

Blue smoke from the exhaust When you see blue smoke from the exhaust, it means the engine is burning oil. The problem could be worn piston rings, worn valve guides or worn/cracked valve stem seals. In older vehicle (pre-catalytic converter days), you could see blue smoke from the exhaust the entire time the engine was running. However, if the vehicle is equipped with a catalytic converter, you may only see blue smoke at startup. Once the catalytic converter warms up to operating temperature, it acts like an incinerator to burn … Read More


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