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What causes the engine to emit white smoke?
Many times, this thick smoke is due to the likes of a blown head gasket, damaged cylinder, or a cracked engine block, which is causing coolant to burn. Thick white exhaust smoke usually indicates a coolant leak, which could cause overheating and put your engine at a serious risk of damage.
Why does my Subaru smoke when I start it?
When the head gasket fails, coolant can co-mingle with air and fuel in the combustion chambers. When that coolant is burned, the exhaust releases a thick plume of white smoke. Visit your nearest Subaru expert to have the head gasket evaluated by the professionals.
Is it normal to have white smoke coming out of your exhaust?
You never want to see smoke coming out of your car’s tailpipe. In most cases, some thin white smoke from your exhaust in the winter is perfectly normal and not a source of concerns.
Why is there white smoke coming from the engine bay?
White smoke from the engine bay can also be caused by an overheating engine causing the coolant the pour out from the coolant system. If the smoke is coming from the exhaust and not from the engine bay, let’s continue! 2. Blown Head Gasket When the head gasket blows, coolant leaks into the engine compartment or into the exhaust pipe.
Why do I have white smoke coming from my tailpipe?
Whenever your cylinder head is cracked or damaged in any way, coolant will leak out of it and get mixed in with the engine oil. Once that happens, the oil will become contaminated. This doesn’t need to be a big crack; all it takes is a tiny crack to create thick bursts of white smoke from your tailpipe.
How much does it cost to fix white smoke coming from your engine?
The cost to repair the white smoke situation varies depending on what is causing it. As we’ve illustrated, there are several conditions that could occur. If it is something simple like a bad gasket, a replacement should cost you less than $150, with labor included. All of the other repairs tend to be pricey.