Black Tailpipe residue - Kia Forum
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#1 (permalink) Old 12-19-2012, 10:01 AM
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Default Black Tailpipe residue

My 2013 Sportage SX with a 2.0 (USA) has a black residue at the tailpipe openings. The car has 1100 miles on it and is mostly hi-way miles. In the "old days" it would indicate a rich mixture. Any ideas.

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#2 (permalink) Old 12-19-2012, 10:11 AM
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In the "new days" it still means a rich mixture. Virtually all turbo engines are tuned rich, because the consequences or running lean under boost, is detonation, and an engine that self destructs. When the tailpipe is black, that's goodness. Just get used to cleaning it regularly.
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#3 (permalink) Old 12-19-2012, 10:23 AM
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Thanks "dohcacr" I appreciate your help.
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#4 (permalink) Old 12-19-2012, 06:29 PM
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Give it some time, too. It took 10K before my mileage reached it's maximum. Have you given it any full-throttle blasts yet? I haven't driven an SX yet and I bet it's awesome.

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#5 (permalink) Old 12-20-2012, 06:37 AM
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Hey "1saxman" it surprised me with its power and quickness. If your in the KC MO area come for a test ride.

Regards and Thanks
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#6 (permalink) Old 12-21-2012, 02:30 PM
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Thanks, and I'll keep that in mind if I ever get out there, but it's not likely. I definitely will be looking for a turbo on my next car, which should be a 2016. I'm trying to keep the mileage down on mine so it stays under full warranty coverage until I trade it. It all depends on what KIA and the others have to offer at the time. Who knows - with the mileage requirements that start in 2017, most cars might have small turbo engines by then, and hopefully KIA will have the tubo problems worked out.

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#7 (permalink) Old 12-22-2012, 10:21 AM
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26,000 miles black tail pipe
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#8 (permalink) Old 12-22-2012, 10:26 AM
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No turbo............no black exhaust.

Mods: SX dual exhaust, 4,750K low, high and fogs, LEDs (license, interior lights, cupholders); Badges, Sport Pedals, Husky liners/cargo tray, Rear Mudflaps, Cupholder LEDs, Chrome headlight, sills, pillars, Sorento wheels; Euro side steps, Fiamm horns, Wheelskin.
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#9 (permalink) Old 12-22-2012, 04:31 PM
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I bet it has something to do with the corn-based Gasoline.
I agree, I am seeing this black gunk on the muffler tips now, than
ever before.

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#10 (permalink) Old 12-24-2012, 03:46 PM
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2011 SX - I also get a light black soot/residue in the tail pipe tips. As someone mentioned above, I have been told it's normal (for this turbo) and to just clean it when doing a car wash. Since the insides of the tail pipe tips are painted black it's hard to see the grime when dirty so at least that's not an issue ;-)

ps. Also, as someone stated, on a cold start every so often I can smell a hint of gas/oil. So, they must program it to run a bit rich as mentioned...
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