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Title: epc light what is it? Post by: ratherb1 on April 04, 2014, 03:32:36 AM i had this problem the other day and i did a wot pull and the epc light flashed really quick .......car felt like it lost power , i got home scanned for codes (vcds) ...nothing ,nada ......ive breezed through a couple threads but why am i not getting codes ? why did this light flash? tia
car is 01 a6 tip 2.7 stock Title: Re: epc light what is it? Post by: stuklr on April 04, 2014, 03:57:00 AM EPC is for the electronic throttle. You should check to see that it moves freely and is clean.
Title: Re: epc light what is it? Post by: nyet on April 04, 2014, 10:14:18 AM Misfires. Log with VCDS
Title: Re: epc light what is it? Post by: ratherb1 on April 04, 2014, 03:52:09 PM Misfires. Log with VCDS it wouldnt store codes? i though a flashing cel would be misfires .......ive never gotten a misfire code, ill do a pull and log misfires with vcds though and see what i get Title: Re: epc light what is it? Post by: nyet on April 04, 2014, 03:55:29 PM No. There is a threshold of misfires that has to be met before a DTC is set.
Title: Re: epc light what is it? Post by: ratherb1 on April 05, 2014, 03:19:42 AM okay thanks nye ill check it out
Title: Re: epc light what is it? Post by: ratherb1 on April 06, 2014, 03:53:49 AM so i tried to log misfires with vcds and most of the time it said " disabled" so couldnt confirm misfires ......why? it was wierd sometimes itd say enabled but not while i was stepping on it...... ??? ??? ??? ??? ??? ??? ???
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