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Dark Color Coated in Exhaust Pipe

Discussion in '2nd Gen. Tacomas' started by Tacoma SD, Apr 12, 2013.

  1. Apr 12, 2013 at 11:23 AM
    #1
    Tacoma SD

    Tacoma SD [OP] Active Member

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    Cameron
    San Diego
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    Bilstein 5100s 2.5", 275/70/17's, Wicked Flow Exhaust, K&N SRI, 5k Headlights & Fogs, More to come!
    Hi Guys,

    After doing some searching and browsing for my answer I still have not found anything. Question is, I notice dark almost black residue on the rear fender when I bought my 05 with 108k miles. Most of it was cleaned off when I had it all detailed in and out. But I recently put a wicked flow muffler on and used the stock piping and it still has this dark build up on the exhaust tip? Almost looks like a diesel sometimes! lol

    Id imagine its some kind of carbon build up or maybe im running rich? I replaced the stock air filter and used carbon cleaner on the maf and throttle bottle at 108k miles.

    Is this somewhat normal or maybe something to look into? Any feedback or suggestions would be much appreciated! Thanks in advice.
     
  2. Apr 14, 2013 at 5:43 AM
    #2
    CtTaco

    CtTaco Well-Known Member

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    Eric
    Connecticut
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    3" lift, Tundra wheels with BFG ATKO's, Viper Remote starter TRD Supercharger
    These trucks tend to run rich. I have a similar issue with my white Tacoma. I'm pretty sure it's excess fuel coming out of the tailpipe
     
  3. Apr 14, 2013 at 6:58 AM
    #3
    Millertime187

    Millertime187 I'll be your huckleberry!

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    David
    Clay City, KY
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    EZ Lift/Pro Comp 3" lift. Spacer in front, add a leaf in rear, Bilstien 5100 shocks, TC UCA, 5% Tint all around, Painted all trim to match. Magnaflow muffler dumped, drop in k&n air filter, tinted tail lights
    What a waste of gas :(
     
  4. Apr 14, 2013 at 2:08 PM
    #4
    Tacoma SD

    Tacoma SD [OP] Active Member

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    Cameron
    San Diego
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    Bilstein 5100s 2.5", 275/70/17's, Wicked Flow Exhaust, K&N SRI, 5k Headlights & Fogs, More to come!
    Can this be fixed or improved? Like changing spark plugs or cleaning anything? Id imagine its not a huge deal but just would like to do what I can. haha
     
  5. Apr 14, 2013 at 2:12 PM
    #5
    rickmeseke

    rickmeseke subaru of america

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    Dump the exhaust you wont notice it
     
  6. Apr 14, 2013 at 3:16 PM
    #6
    Raceline08

    Raceline08 Well-Known Member

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    Brett
    Santa Rosa, ca
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    front Billies, 885x coils, taco lean spacer, TC UCA'S, Magnaflow 22" OME Dakars, Billy 110 rear's, B.A.M.F CMC, custom made E-locker guard
    Wonder why they tend to run a little rich? Guess that would be better than lean.

    Brett
     
  7. Apr 14, 2013 at 3:29 PM
    #7
    CtTaco

    CtTaco Well-Known Member

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    ^^^Exactly. I believe if you install a urd MAF calibrator you can clean up the mixture and make it a little better.
     
  8. Apr 14, 2013 at 3:31 PM
    #8
    memario1214

    memario1214 Vivid Illumination Vendor

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    MT recently relocated to Willmar, MN
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    Yes that is correct. Our trucks run generally rich, and if you do N/A mods (headers, exhaust, intake, etc) it makes this even worse. A simple tune will clean most of this up though
     
  9. Apr 15, 2013 at 9:45 AM
    #9
    Tacoma SD

    Tacoma SD [OP] Active Member

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    Cameron
    San Diego
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    Bilstein 5100s 2.5", 275/70/17's, Wicked Flow Exhaust, K&N SRI, 5k Headlights & Fogs, More to come!
    That would make sense to run more rich than lean, but mine (or maybe others too) seem to run too rich. Especially to the point of coating my rear fender with exhaust. Ill look into the urd maf, but anyone come up with some good tune up tactics feel free to add anything!

    I think Ill start with replacing the spark plugs, 1. because it probably needs to be done at 115k miles, and 2. it may help run cleaner/more efficient.

    Good thing is I can monitor the color of the exhaust due to the chrome tip. I can clean it and see if it builds up faster or not after making changes. :)
     
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