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The US version of the sixth generation Sonata was unveiled at the 2009 Los Angeles Auto Show, with sales beginning in 2010 for model year 2011. For the US market, the sixth generation Sonata boasted a direct-injection 2.4-liter four-cylinder engine.

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Noise when driving uphill or accelerating


My 2012 Hyundai Sonata GLS started making noises about a month back.

The noises always happen when driving uphill and sometimes happen when simply accelerating.

The noises almost sound like the engine revving but the RPM does not seem to be increasing out of normal range.

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Is it an auto? Could be slipping. If a manual, same thing, but you would also notice that the car seemed to lag when going up hill.


I had a similar problem that worsened to the point where it would rev when I was parked. I found out my PC valve was leaking oil into the air take system.


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اخي اذا كان الضوضاء تبدأ معك من سرعة ٦٠ فمان فوق فإنه تكون الابيرنجات المامي وإذ كانت تبداء الضوضاء من سرعة صفر فمان فوق فتكون من الطارات الانتهاء فترت صلحيته تكون خشنه ولا توجد بهاء ليونه لاتصال صوت اطريق

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scott wilson sera éternellement reconnaissant.
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