Bad valves, Cam Chain tensioner??

2006 CHEVROLET COBALT
59,000 MILES
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IBAUER18
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This model is supercharged with a 2.0L.Oil lid smells like gas, also hear a ticking noise around the cam.
Dec 2, 2011 at 11:27 PM
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JACOBANDNICKOLAS
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It will need taken apart to be properly checked. It could be the cam, lifters... As far as the fuel smell, it sounds like the engine is running rich on fuel. With only 59K, it is hard to believe the rings are worn.
Dec 2, 2011 at 11:29 PM
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IBAUER18
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The man at O'Reillys said it sounds like the cam chain is loose and is rubbing.
Dec 2, 2011 at 11:46 PM
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JACOBANDNICKOLAS
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A timing chain can make noise, but not a ticking. Also, with a timing chain, they usually last a lot longer than 50K miles.
Dec 3, 2011 at 5:53 AM
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IBAUER18
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I use premium gas all the time should i change?
Dec 3, 2011 at 7:17 PM
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JACOBANDNICKOLAS
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That shouldn't hurt anything. Actually, it is better for the car.
Dec 4, 2011 at 4:04 AM