epc light what is it?

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ratherb1

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	epc light what is it? « 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


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-ROMIE

stuklr

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	Re: epc light what is it? « Reply #1 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.


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nyet

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	Re: epc light what is it? « Reply #2 on: April 04, 2014, 10:14:18 AM »

Misfires. Log with VCDS


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ratherb1

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	Re: epc light what is it? « Reply #3 on: April 04, 2014, 03:52:09 PM »

Quote from: nyet on April 04, 2014, 10:14:18 AM

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


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nyet

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	Re: epc light what is it? « Reply #4 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.


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ratherb1

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	Re: epc light what is it? « Reply #5 on: April 05, 2014, 03:19:42 AM »

okay thanks nye ill check it out


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ratherb1

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	Re: epc light what is it? « Reply #6 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...... Huh