2007 Sonata V6 Engine Noise

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2007 Sonata V6 Engine Noise

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Hyundai Forums >> Vehicle Line Up >> Hyundai Sonata >> 2007 Sonata V6 Engine Noise

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2007 Sonata V6 Engine Noise - 11/30/2007 5:55:44 PM

Dave034

Posts: 3
Joined: 11/30/2007
Status: offline

I have an '07 Sonata 3.3 that is noisy at cold start-up. If the ambient air temp is less than about 15 degrees, you can hear what almost sounds like piston slap at idle for about 20 seconds. Cold start up with air temps over 20 degrees, there is no noise until you put it in gear and get a load on the engine - then the noise is evident for several seconds and then fades away. Anyone else experience this?