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dirty exhaust?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by mgrande, Feb 21, 2010.

  1. Feb 21, 2010 at 7:15 PM
    #1
    mgrande

    mgrande [OP] iKill

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    After moving to miami I have started to get a lot of black, spots from my exhaust on my paint. I took a look at it while it was running and I had a lot of condensation. Is that the cause this? I do a lot more small trips now, which would explain the condensation.

    Here's a picture of it. I just want to make sure it's not a fuel or oil problem.
    [​IMG]
     
  2. Feb 21, 2010 at 7:17 PM
    #2
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Alot of short trips, mean the truck is running more in open loop, so its going to run more rich. Soot around the pipe is normal.
     
  3. Feb 21, 2010 at 7:19 PM
    #3
    mgrande

    mgrande [OP] iKill

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    Thanks chris! What is "open loop" mean?
     
  4. Feb 21, 2010 at 7:38 PM
    #4
    Chris(NJ)

    Chris(NJ) Well-Known Member

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    All of those black spots/splatter is from the exhaust?! That doesnt even seem like it could do that. Doesnt really make sense to me. Some black discoloration would be normal, but not that splatter imo.
     
  5. Feb 21, 2010 at 7:42 PM
    #5
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Open loop, is when the enigne ECU (when cold/not up to operating temp), ignors the signal from the O2 sensors, and gets its Air/ Fuel data from the Coolant sensor, and/or the MAF, or a pre programmed MAP. Closed loop is when the engine is up to temp, and the ECU is getting its Air/Fuel data from the O2 sensors. When in Open Loop, the engine runs rich, to aid in warm up.
     
  6. Feb 21, 2010 at 7:42 PM
    #6
    mgrande

    mgrande [OP] iKill

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    Yeah, that's all from the exhaust. Makes a real mess...
     
  7. Feb 21, 2010 at 7:48 PM
    #7
    mgrande

    mgrande [OP] iKill

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    Got it, basically I'm going to run rich and burn more fuel while running around. :mad:
     
  8. Feb 21, 2010 at 8:08 PM
    #8
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    If all the trips are short, yes.
     
  9. Feb 24, 2010 at 5:47 PM
    #9
    wnealw

    wnealw Active Member

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    scanguage,thrush turbo muffler wellded in.
    over filled crank case will do the same thing
     
  10. Feb 24, 2010 at 6:19 PM
    #10
    meafordmike

    meafordmike Well-Known Member

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  11. Feb 24, 2010 at 9:52 PM
    #11
    mgrande

    mgrande [OP] iKill

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    You mean too much oil?

    I have the stock air setup right now.
     
  12. Feb 28, 2010 at 5:43 AM
    #12
    wnealw

    wnealw Active Member

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    scanguage,thrush turbo muffler wellded in.
    Had mine changed at a dealer once. They did not drain the old oil. mpg went down and had the same oilly specks on the side of my fender. When i drained my oil it over filled a 10 qt pan all over the driveway. After that all was good once again
     
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