Patou28500
Unstable engine problems on Audi A3 Diesel
(Translated from French)
Summary of the thread
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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AUDI
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A3
CarlyMechanic
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!