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What is an engine blow by?

Updated: 10/26/2022
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Wiki User

16y ago

Best Answer

the pistons and rings arnt sealing the combustion chamber enough and some gases "blow by" the sealing rings which presureises the crank. a symptom is somethimes the dipstick keep poping out.

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Wiki User

16y ago
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Q: What is an engine blow by?
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