EPC and emissions control light on when ignition on
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EPC and emissions control light on when ignition on
Just had coil pack replaced for misfire on cylinder #2 and all plugs replaced after flashing emissions control light warned of problem. Now I've got the car back from Audi noticed the EPC and emissions lights stay on while key is in the ignition but the car has not been started. Is this normal as I can't recall and just want to check still no issues. I push the key and all lights illuminate briefly but these two lights stay on until the car is started then I have a dash clear of warning lights. Appreciate if anyone with an RS4 can try it out and let me know if this is normal behavior. Cheers.
Re: EPC and emissions control light on when ignition on
Yep thats normal, EPC light stays on till engine is started.
Re: EPC and emissions control light on when ignition on

That's all normal.

2018 B9 Audi RS4 Carbon Edition
2017 Alfa Romeo Giulia Quadrifoglio
2014 B8 Audi RS4
2013 BMW 330d xDrive, lasted 10 months, worst car ever!
2011 B8 Audi S4
2008 Audi S3
2017 Alfa Romeo Giulia Quadrifoglio
2014 B8 Audi RS4
2013 BMW 330d xDrive, lasted 10 months, worst car ever!
2011 B8 Audi S4
2008 Audi S3
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Re: EPC and emissions control light on when ignition on
Thanks guys appreciate the response. Do you notice while your car is idling a low level buzzing noise from the transmission? I've been told it's normal (flicking through the box from d, p, n etc... And it momentarily disappears until new position located). I had it looked at while in getting fixed and the noise is now not as loud so they've fixed it somewhat. They fitted new rubber washers or similar to the hydraulic pipes to the gearbox as it was noise from the oil in the pipes. Only notice it when car warm and sat stationary in traffic. Just wondered if this in fact a natural noise from the stronic (I've got no reason to doubt Audi as they've provided excellent support in recent years). I don't hear it from our A1 stronic but probably chalk and cheese! Mike
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