Patou28500

Unstable engine problems on Audi A3 Diesel

Hello everyone, I own a 2012 Audi A3 with a diesel engine and 150,000 km on the odometer. I've noticed several problems: the acceleration is jerky, the engine is unstable, the cold start time is longer, and fuel consumption is low. My main concern is that when the vehicle is cold, it starts well but remains unstable until it reaches operating temperature, after which it runs perfectly. Has anyone ever encountered this problem or have any advice to give me? Thanks in advance for your help!

(Translated from French)

The owner of a 2012 Audi A3 diesel is experiencing issues with jerky acceleration, engine instability, longer cold start times, and low fuel consumption. The main concern is engine instability when cold, which resolves at operating temperature. A suggested solution is to check and possibly replace the glow plugs, as they are essential for cold starts and could be causing the rough idling and extended start times.

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1 comment(s)

Check the glow plugs first, as they are crucial for cold starts in diesel engines. Faulty glow plugs can cause rough idling and longer start times when the engine is cold. If they are worn out or not functioning properly, replacing them might resolve the issue. Let me know how it goes or if you have any further questions!

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AUDI

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