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Engine Blow-by is caused by one ora combinationof these things; Contaminated oil from fuel not burned off properly (plug gap, worn plugs), rich fuel mixture of too much fuel (carb settings, weak injectors), leaking head gasket drawing moisture from the water system, and ending inweakened rings and low compression.

White smoke means moisture is also escaping into the exhaust, which then points to a head or exhaust header gasket leak. Or it's condensation in the exhaust from being in a humidor cold climate.

Having both white smoke and blow-by issues, I would point to a weakened head gasket.Do a compression check, check for foamy oil as that will point also toward gasket issues, and best yet, get it to a mechanic and get fixed what needs fixing before the heads warp or the engine blows.

Engine Blow-by is caused by one ora combinationof these things; Contaminated oil from fuel not burned off properly (plug gap, worn plugs), rich fuel mixture of too much fuel (carb settings, weak injectors), leaking head gasket drawing moisture from the water system, and ending inweakened rings and low compression.

White smoke means moisture is also escaping into the exhaust, which then points to a head or exhaust header gasket leak. Or it's condensation in the exhaust from being in a humidor cold climate.

Having both white smoke and blow-by issues, I would point to a weakened head gasket.Do a compression check, check for foamy oil as that will point also toward gasket issues, and best yet, get it to a mechanic and get fixed what needs fixing before the heads warp or the engine blows.

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Q: What causes White smoke and engine blow by?
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