Why does my kia optima sometimes smokes a lot by starting

Asked by ecr55 Sep 18, 2016 at 10:10 AM about the 2012 Kia Optima EX

Question type: Maintenance & Repair

I went to pass another car and i heart a like a gun shot in the engine
compartment and the car stoped for a while afther that a lot of smoke came
out the muffler.  Afther a while driving it stoped smoking.

1 Answer
101,665

KenF answered 7 years ago

I just have to ask - you heard a loud bang like a gunshot from under the hood, saw lots of smoke from the exhaust, and you just kept driving it? Your engine obviously suffered some sort of breakdown, keep driving it if you want to destroy it completely. My guess is the cooling system went on it, maybe even a head gasket, and now it stopped "smoking" out the exhaust as it no longer has any coolant left. You should have this towed to a garage for service. Towed, not driven.

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