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Black Smoke?

Discussion in 'General Tech and Maintenance' started by CrazyAzn, Sep 22, 2004.

  1. CrazyAzn

    CrazyAzn Senior Member

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    Okay well heres the thing, everytime i hit vtec around 4600+ i get a black pump. cloud of smoke and i cant figure it out. i know that white smoke is coolant and blue is oil, but i dont noe what black is. if anyone can help me out that would be great thanks a bunch.
     
  2. sleepn_accord

    sleepn_accord Senior Member

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    unburnt fuel.

    Typical. Don't worry about it.
     
  3. CrazyAzn

    CrazyAzn Senior Member

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    alright coo i was kinda scared for a lil while, thanks a bunch

    peace
     
  4. asmallsol

    asmallsol Super Moderator

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    Unburnt fuel, yes,

    Typical, no. It means that your running extremly rich.
     
  5. sleepn_accord

    sleepn_accord Senior Member

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    but he said it's a 'puff' and about 99% of stock dohc vtec's I've seen always have a slight puff, especially on downshift.. :unsure:
     
  6. stedscivic

    stedscivic Senior Member

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    are you having black specs all over you back bumper?
    my d16z did this and i was wondering what it was
     
  7. drpenguin

    drpenguin Senior Member

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    isnt somke supposed to be black?
     
  8. prelude2perfection

    prelude2perfection Junior Member

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    check your valve seals my b20a5 did that shit its not vtec but round 4 grand black smoke would appear
     
  9. CrazyAzn

    CrazyAzn Senior Member

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    i got a d16y8, and it only appears when im driving hard meaning all the way up to redline. Yeah, it sounds like im running rich but im using a p08 ecu ( 1.5 ecu) on a 1.6 block, so i dont really understand why i run rich. and sorry dude my cars black its hard to see black specs on a black car. the smoke can be one of 3 colors, white= coolant, blue= oil, and i guess black= rich.
     
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