S2000 Under The Hood S2000 Technical and Mechanical discussions.

Smoke after warming up

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Old 07-06-2010, 07:19 AM
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Default Smoke after warming up

Hi everyone,

It is as simple as this. Whenever I warm up the car for 10-15 min without touching the throttle, then go press it hard, I get a black(maybe grey or blue) smoke out of the exhaust. Does it mean I've worn cylinders? or is it because of the valves adjustment?

I uploaded a video on YouTube to show the problem [media]http://www.youtube.com/watch?v=0oX5JGG8uMw [/media]

I want to know if it's something that can be fixed without a big mess.

Thanks all,
Old 07-06-2010, 01:53 PM
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I think your fine. Looks to be just black smoke from running rich. And I see you have an 01, those thend be on the rich side.
Old 07-06-2010, 02:13 PM
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Is there a solution to this thing?

I've been reading about engines running rich since you have answered, and Someone suggested changing the exhaust. I was about to change mine, and if it's a solution to the black smoke, it will just make me do it sooner.
Old 07-06-2010, 03:01 PM
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you are running rich. typical ap1. when i had intake and full exhaust and revved it up like that there would be a good amount of black smoke, same as that. my motor is perfectley fine. just get it tuned.
Old 07-10-2010, 10:26 PM
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my ap1 doesn't do that. no cat either.

Maybe valve seals? Do we have neoprene valve seals?
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