Question about 2005 Audi A3

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Engine vibration i from Spain! I have an A3 1.8T 1999 AGU with engine vibration problem, this ONLY happen when eg is very cold..problem increase quiete a lot when ambient temperture is low, like after start eg early morning..., after warm up eg problem completely disappear. Except this car performace is perfect. Aditional info: Eg is coming from big repair due to water pump failure(get locked) with all consequences, all crank/rod bearing replaced, piston rings replaced,and head repaired. Waiting for feedback, Thank you so much, Emilio.

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The vibration like comes from a misfiring cylinder when cold, which in turn can have many causes; bad spark plug, bad coil, bad fuel injector, leaking head gasket etc.

With such a major overhaul that you did recently I'd go back to the shop since it can be related to the repair. This is especially true if you see white smoke from the tail pipe.

Good luck!

Posted on May 26, 2009

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Posted on Jan 02, 2017

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