Cold start rough idle and engine shake

mugenx78

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just started my car on a cold start and while warming up my engine started to really shake and the idle kept going up and down like I have wild cams. Has this happened to anyone? I have a 1.5T with 3400 miles.
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inv4zn

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Check if any of the visible hoses in the engine bay are loose - surging idle is usually a vacuum leak; could be the PCV hose.
 
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mugenx78

mugenx78

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I've also noticed that when the mph climbs slowly that the rpm goes up and down. So weird
 


 


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