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The official "Why is there black smoke coming out of my exhaust?" thread

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Old May 29, 2008, 12:36 PM   #1
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The official "Why is there black smoke coming out of my exhaust?" thread

For some reason, that happens to me all the time, like wenever i hit over 5000 rpm or if i suddenly floor it smoke comes out, my car has 1000 miles, should i change the oil or wat , i dont know wat the problem is .

thank you to whoever might help.
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Old May 29, 2008, 12:38 PM   #2
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It's normal; it's because the car runs crazy rich stock. It's the extra fuel which turns to black soot.
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Old May 29, 2008, 12:41 PM   #3
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Quote:
Originally Posted by ibarkovic View Post
For some reason, that happens to me all the time, like wenever i hit over 5000 rpm or if i suddenly floor it smoke comes out, my car has 1000 miles, should i change the oil or wat , i dont know wat the problem is .

thank you to whoever might help.


Like he said its your car running really rich . If you're willing to take a trip up north a bit we have a fix for that
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Old May 29, 2008, 12:44 PM   #4
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Is is a tune if it is i will rather do mail in,

thank you ,
ibarkovic.
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Old May 29, 2008, 02:43 PM   #5
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Normal for every turbo car. RICH like stated above. Its not a problem and nothing to worry about
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Old May 29, 2008, 02:44 PM   #6
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rich rich...no problem there
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Old May 29, 2008, 03:05 PM   #7
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A tune will fix that.
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Old May 29, 2008, 03:48 PM   #8
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amma see if it fixes after this flash , either way i might tune it up with xtreme boosts so ill tell you the results.
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Old May 29, 2008, 04:39 PM   #9
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Quote:
Originally Posted by xtremeboost View Post
Like he said its your car running really rich . If you're willing to take a trip up north a bit we have a fix for that
Talk to me buddy, I love road trips!!!
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Old May 30, 2008, 05:53 PM   #10
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Update

take your car to the dealer and have them put the newest update on and that will clean up the richness a whole bunch. I had this done today and it seems to have taken care of the the extreme richness.
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Old May 30, 2008, 06:05 PM   #11
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rich normal!! time for a tune!
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Old Apr 22, 2009, 06:46 AM   #12
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Bump for inserting into newbie help section.
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Old Apr 22, 2009, 08:14 AM   #13
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Even tuned you're going to get black smoke. The Cobb guys said the X smokes more than any car they've ever seen.
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Old Apr 22, 2009, 08:20 AM   #14
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there is a TSB (technical Service Bulletin) out for this problem. The common complaint is that the car has a very slight amount of hesitation when you step on it at 5k. The problem is caused by the car running too rich, dealer can fix the problem. IIRC the problem is with evo X's produced before april 08.


(it's not a bad problem at all, just the fact that you're running a little more rich than you need to will decrease the life of your cat, if that matters to you)
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Old Apr 22, 2009, 10:07 AM   #15
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Quote:
Originally Posted by goofygrin View Post
Even tuned you're going to get black smoke. The Cobb guys said the X smokes more than any car they've ever seen.
+1, My car is tuned and still spits out black smoke. My AFRs run in the mid 11s under hard acceleration through the rev band. The X just smokes. Tune or No Tune.
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Old Apr 22, 2009, 10:07 AM
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