1.4 TSI 122 HP catalytic converter heating process sound | First start after the night

Описание к видео 1.4 TSI 122 HP catalytic converter heating process sound | First start after the night

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The video shows the exact sound of catalytic converter heating process. During this time the exhaust is rumbling very loud and you hear the turbocharger easily. It lasts for about 20-30 seconds, then it becomes very quiet and the exhaust works in its normal way. This situation is completely normal, but people sometimes ask about that noisy exhaust after a longer break, when engine doesn't work. The answer is simple- catalytic converter needs to be heated and then this noise is produced. It will also happen, if you turn off the engine for about 4 hours and then you turn it on. It happens when it's warm outside.

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