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epc ?

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Old Mar 27, 2005 | 03:47 PM
  #1  
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Default epc ?

my Audi a4 is showing a light on the dash that says epc. Whenever this happens it makes it very difficult to start the car sometimes not even starting at all .Is this gonna be an expensive fix...please help
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Old Mar 28, 2005 | 03:37 AM
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Default EPC is the DBW system

Where do you live?
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Old Mar 28, 2005 | 05:13 PM
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Default Re: EPC is the DBW system

i live in long beach ca . this problem causes the rpms to drop drastically causing the car to shut off
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Old Mar 29, 2005 | 05:09 AM
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Not always the DBW system, but it sounds like it in this case.
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Old Mar 29, 2005 | 07:09 AM
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that sounds like a dbw problem...do you have vag com?
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Old Mar 29, 2005 | 09:13 AM
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Default It cuts off the throttle pedal so you cant give it gas.

If you are chipped you might want to see if the soldering is good.
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Old Mar 29, 2005 | 07:43 PM
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Default Re: Not always the DBW system, but it sounds like it in this case.

what is the DBW system. what is its function?
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Old Mar 30, 2005 | 05:14 AM
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Default this has happened to me twice in the last week.

once at 30mph engine braking, once at 75mph cruise control. i have a 2000 giac k04. seems like most people complaining are 2000s.
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Old Apr 2, 2005 | 06:30 AM
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Default Just those with the high boost K04 setups.

One is the tq limiter issue.
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