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Thread: Erratic idle 2009 a4 2.0 diesel

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  1. Erratic idle 2009 a4 2.0 diesel 
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    Hi my 2009 2.0 (143) diesel has suddenly developed an erratic idle. So took to local garage who had it for 2 days. Had error codes for air flow sensor and glow plug. So they fitted new, but still has erratic idle and now has no error codes. So took to local Audi which are too busy and can't look at the car until next Wednesday for 98 diagnosis (and they are going to do the "software update ")
    Has anyone else had the same? Possibly injector died? It's got 79k on it .

    Thanks
     
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  2. Re: Erratic idle 2009 a4 2.0 diesel 
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    I wouldn't advise getting the emissions fix done until the problem with your car is sorted. There are many bad stories about the software fix, and unless your car is running well before it goes in, how can you tell if your software fix has changed the performance of your car?
    I would suggest doing things one at a time.
     
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