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Old 08-11-2013, 11:31 AM   #1
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smoke from tail pipe

I noticed smoke from the tail pipe when my 94 Jeep Wrangler was sitting idle it has a 4.0 inline 6 with 143.000 on it should I be worried and what causes the smoke it is white looking smoke

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Old 08-11-2013, 11:36 AM   #2
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I noticed smoke from the tail pipe when my 94 Jeep Wrangler was sitting idle it has a 4.0 inline 6 with 143.000 on it should I be worried and what causes the smoke it is white looking smoke
Does it always do it? Or just when the engine is cold.
Does it clear up after it has been idling awhile?

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Old 08-11-2013, 11:40 AM   #3
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I just noticed it today after 30 min in to the drive ..not seen it when it is cold
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Old 08-11-2013, 12:07 PM   #4
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It's probably a piston ring. You can do a compression check and it will tell you for sure.
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Old 08-11-2013, 12:21 PM   #5
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Black smoke=fuel
Blue smoke=oil
White smoke=coolant or in rare circumstances auto tranny fluid
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Old 08-11-2013, 01:50 PM   #6
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Could also be brake fluid!
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Old 08-11-2013, 02:14 PM   #7
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Quote:
Originally Posted by jeepers creepers 33s View Post
I noticed smoke from the tail pipe when my 94 Jeep Wrangler was sitting idle it has a 4.0 inline 6 with 143.000 on it should I be worried and what causes the smoke it is white looking smoke
White smoke is usually an indicator of oil being burnt.
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Old 08-11-2013, 02:49 PM   #8
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White smoke is usually an indicator of oil being burnt.
actually white smoke is usually water/coolant
blue smoke is oil and black is gas

check your coolant levels see if you have a leak and check your oil and make sure it doesn't have water in it

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