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Smoke In The Engine Bay.


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After doing some work on my MJ recently (replacing my injector o-rings and fishing out one from my intake manifold) I have noticed that there is white smoke that seems to be coming out from around where the exhaust pipe and the exhaust manifold meet up. Is it just the gasket and if so is the exhaust going through that part supposed to be white or should be be a different color?

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White smoke is generaly associated with water getting into the combustion chamber. Keep an eye on your oil for any water intrusion. Keep an eye on your radiator to see if any oil is getting in.

 

Black smoke is unburned fuel IE running rich.

Blue smoke is burning oil.

 

Tighten the connection, or replace the donut to get rid of the leak if it doesn't go away once the engine is hot. You could have just gotten some oil or fuel on the outside of the manifold when you were working on the injectors.

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