Soot Black Tail Pipes in 2012 Azera? - Page 4

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  1. #31
    Member
    Join Date
    Mar 2013
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    44
    It is hard to imagine that this much particulate matter, soot, coming from the exhaust would allow the car to pass federal emission regulations. If you live in a state that tests emissions I think I might go down and do a test and see if it passes. If it does not pass the emissions test then Hyundai has a real problem on it's hands.

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  3. #32
    Junior Member
    Join Date
    Apr 2013
    Location
    Finger Lakes NY
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    17
    I've experienced the same "black soot" on our new 2013 Azera. 390 mile trip to OC MD on regular fuel and the soot was fairly noticable. Trip home I ran Sunoco Ultra 93 390 miles and the soot was barely there. I think it's just a product of the GDI engine. Try running higher octane fuel. There is definitely a difference althought it will cost you more for a tank of gas.

  4. #33
    Junior Member
    Join Date
    Nov 2013
    Location
    San Mateo Coast - California
    Posts
    5
    My 2013 Azera gets sooty and the air filter gets pitch black within 7500 miles. I found rocks and bugs in it and am not happy about that. I also get black soot on the door ledges below each and every door. I run regular gas, and while I use a good detergent gas and add Techron fuel treatment as recommended (each 7500 miles); it helps only a little in reducing the particulate matter. If I don't accelerate too quickly, the soot seems to be lighter. In ECO mode I'm only getting approximately 18 mpg on shorter highway trips; and on longer hwy trips sometimes 21-23 mpg. If the coach wasn't so comfortable, I'd be a little disappointed as I like to keep my car looking it's best and was hoping to get better mileage.

    Last edited by Joel; 06-03-2015 at 02:24 AM. Reason: added photo

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