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mike_a_mechanic, Mechanic
Category: Audi
Satisfied Customers: 5471
Experience:  17 years experience as a auto mechanic, foreign and domestic.5 years running my own repair business.
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hi my a3 1.9tdi eng stops every so offten.Some times after

Customer Question

hi my a3 1.9tdi eng stops every so offten.Some times after driveing 5 miles,some times after fifty miles,there is no patern to it.Things done to try and cure,removed pump from tank,it was working fine,removed EGS valve and cleaned,replaced fuel filter(twice).After it stops it will start after cranking for 8-10 secs.Befor it stops it starts missing(like a spark plug missfiring on a petrol eng),any ideas?
Submitted: 4 years ago.
Category: Audi
Expert:  mike_a_mechanic replied 4 years ago.

Hello, welcome. My name isXXXXX will do my very best to
assist you with your question.

Are there any warning lights coming on at all?
Customer: replied 4 years ago.

no lights come on

Expert:  mike_a_mechanic replied 4 years ago.
From what you are describing this is a common failure on these vehicles and the problem is the crankshaft position sensor is electrically failing and overheating the sensor. To correct this issue the sensor will need to be ohm tested and replaced.