S2000 Under The Hood S2000 Technical and Mechanical discussions.

Why the smoke?

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Old 07-01-2008, 04:05 AM
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So this past weekend my drain plug flew out of my oil pan while in motion...yes it sucks and I had to drive it for like 1 1/2 miles until I could park it. Well this morning I left out for work with the engine half way warm and every time I hit the gas there was a large cloud of smoke from the exhaust....So I pulled in after I noticed this and checked the oil level which was good for a warm engine, also I have no leaks. My question is what else could go wrong to make the car smoke before being fully warm????
Old 07-01-2008, 04:15 AM
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car got to hot...possibly blown headgasket?

what are the details when your drain plug fly out? did your oil light come on? temp gauge rise?
Old 07-01-2008, 04:24 AM
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my oil light did come on, only because there was no oil left. that wasnt until i made it to the parking lot though. my temp gauge was still good and the plug came out while i was doing about 50mph. the smoke is blue in color which drew me away from the idea of a blown headgasket but i know obviously something isnt right
Old 07-01-2008, 04:39 AM
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I'll take a not so wild guess that a bearing, sleeve, or guide that depends on oil pressure for lubrication got cooked. Now, it's either frying oil or letting oil through into the cylinders.

You have a very small window where you can run an engine without oil pressure. A distance of 1.5 miles sounds like too much to me.
Old 07-01-2008, 04:43 AM
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this i can agree with, i may just stop by the shop after work to test that theory
Old 07-01-2008, 04:51 AM
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Originally Posted by skier219,Jul 1 2008, 04:39 AM
A distance of 1.5 miles sounds like too much to me.

While I don't have any personal experience to back this up, I would say you would only have a few seconds to shut things down rather than a few minutes...
Old 07-01-2008, 05:04 AM
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ok so for the past 2 days as i remember there was a quite loud ticking (valve tap) but this morning it doesnt sound as loud...hell it actually sounds normal compared to another s2k but the smoke...
Old 07-01-2008, 06:14 AM
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Time for a leak down test
Old 07-01-2008, 07:15 AM
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leakdown test, compression test

driving 1.5 miles is a long time with no oil....was there a reason why you could not park it right when the oil plug came out? no shoulder lane?
Old 07-01-2008, 07:49 AM
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how does a drain plug "fly" out of the oil pan?


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