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  1. 2011 Sonata Limited 2.0T Cold Start Misfire

    YF (2011-2014) Sonata/i45
    No, when I got the misfire code for #1 and #2 cylinders, I put new plugs and coils on those cylinders. I was going to use a top engine cleaner so I took the two new plugs and coils out and put the old ones back in because of how the top engine cleaner would dirty the plugs. After that I was...
  2. 2011 Sonata Limited 2.0T Cold Start Misfire

    YF (2011-2014) Sonata/i45
    Ok, I put the old plugs and coils for #1 and #2 cylinders back in thinking I was going to use a Top Engine Cleaner for the valves. The first problem I wanted to fix was the clock spring, so I did that and then hooked up the scanner to clear that code. While I was in there I scanned the engine...
  3. 2011 Sonata Limited 2.0T Cold Start Misfire

    YF (2011-2014) Sonata/i45
    Ok will do. One of the guys I work with asked if I have ever used a top engine cleaner because of the GDI problems with build up on the valves. I said no and I thought he was going to hit me! "Ever 30,000 miles!" he said! I have 145K. So tomorrow I'll pull the two new plugs I installed for test...
  4. 2011 Sonata Limited 2.0T Cold Start Misfire

    YF (2011-2014) Sonata/i45
    No coolant leaks, no leaks of any kind (liquid that is). Is there a preferred point to check the vacuum? Just as a side note, I work swing shift so after this reply I wont be back on here until tomorrow. Thanks for your advise! BTW, all spark plugs look great, clean and sharp. I did replace the...
  5. 2011 Sonata Limited 2.0T Cold Start Misfire

    YF (2011-2014) Sonata/i45
    Yes I agree, it was a mistake that I wrote (leaking) and made it sound as though I was associating the misfire with the corona, sorry.šŸ˜Œ
  6. 2011 Sonata Limited 2.0T Cold Start Misfire

    YF (2011-2014) Sonata/i45
    If I warm the engine up at 2,000rpm for a minute or so, the engine will not set a code. There are no drive-ability problems even with the misfire code set. Car runs great, turbo is solid. Car has 145,000 on it. I replaced the number #1 and #2 spark plug and coil because these were the two that...
  7. GDI Carbon Buildup

    Sonata YF Turbo
    Your father-in-law is right, unless you are having problems with performance or drivability, not to worry. Second, Techron isn't going to do anything on the valves due to the fact that it is direct injection and doesn't flow the air/fuel mixture over the valves like conventional intake systems...
  8. Oil Analysis Reports

    Sonata YF Turbo
    Just curious, but, what do you mean it didnt come back good. What part wasnt good?
  9. Motor oil I can't get the straight dope

    Sonata YF Turbo
    Different oils and filter combinations will allow various engines to run longer or shorter than factory recommendations between oil changes. This is why oil analysis (if you are interested to know whats really going on in your engine) is specialized to your specific engine, just like a blood...
  10. Amsoil oil change at dealer

    YF (2011-2014) Sonata/i45
    I have been off the site due to a death in the family that has been real hard on us. I will try and post the UOA as soon as possible. My 7.3 holds 16 quarts with by-pass. Im not trying to compair the engines at all. Thank you Bearcats, thats exactly what I was trying to say.
  11. Early Oil Changes

    Sonata YF Turbo
    As soon as I get the second UOA I plan on posting both of them if its worth doing so. If they are both exactly the same, there is really no need. Doctored?:confused: Im not doctoring anything, why would you say that? Your choice of words is poor unless you are accusing me of trying to be...
  12. Early Oil Changes

    Sonata YF Turbo
    No, Im not messing with you, you were right on target! As far as the "Catch Can", "Puke Tank", "Oil Overflow", whatever you wanna call it, its usually only needed in heavy tuned and or racing applications. It's not something we would need for our cars.
  13. Early Oil Changes

    Sonata YF Turbo
    Wow! Right on the money! On all points!!!:eek:;)
  14. Early Oil Changes

    Sonata YF Turbo
    Thank you for your detailed response, I like that, and, I understand you better and I also see where a misunderstanding was created about how the longer the oil stays in the engine the better. Like you said, most people are not going to obsess about UOA's or OCI's. My point about the oil being...
  15. Early Oil Changes

    Sonata YF Turbo
    Boy, for someone who says he doesnt want to get into a pissing contest, you really are starting a pissing contest!:eek::rolleyes: I find it really hillarious that your "Care to put your money where your mouth is?" hook doesnt have any well thought out, to its" logical conclusion" meaningful bait...
  16. Kindof annoying...

    Sonata YF Turbo
    Our dealership didnt have the car we wanted and they traded it from the closest one that had the exact car we wanted from a dealer 26 miles away. The car had 27 miles on it when we took delivery. It just depends on where its coming from. Doesnt have to be hundereds of miles away.
  17. Crash report and thanks Hyundai

    YF (2011-2014) Sonata/i45
    Yeah, the main thing is that you guys are ok! Everything else can be replaced! It obviously wasnt your time to leave this earth!:innocent:
  18. Kindof annoying...

    Sonata YF Turbo
    You can bet that he was hot rodding with all of his buddies, all weekend long! Being the only turbo car on the lot says volumes about this story! I would not buy that car. Have them trade another dealership for a new one, or just walk away! Let the dealership know that you will buy a car from...
  19. Early Oil Changes

    Sonata YF Turbo
    I understand how you feel, but the reality is, yes you can put it back in your engine and run it!:eek: Once you understand the reality of oil, and filtration, especially synthetic oils, you will see that what you perceive as bad is still quite good! For example, the oil in a diesel engine turns...
  20. Early Oil Changes

    Sonata YF Turbo
    Thats interesting, did you evaluate oils in a UOA type of lab? What was the R&D?
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