[Biturbos4] DTC 17579 on a 2000 Audi S4 (B5)
gfl1 at optonline.net
Sat Apr 16 16:20:12 EDT 2005
Maybe I wasn;t following this closely enough. Was this code connected
with an EPC light on the dash and a transition to "limp mode"? If so,
I'll provide my experience - since the official audi repair is quite
costly, and occasionally un-needed.
On Apr 16, 2005, at 4:11 PM, Single Malt wrote:
> --- j y <jimnetpa at yahoo.com> wrote:
>> Do you have the Bentley manual? The DTC section of
>> the Bentley manual (CD) would point you in the most
>> likely direction.
>> Adam Jansen <aedan1 at hotmail.com> wrote:I am getting
>> the following DTC that throws my car into EPC
>> 17579 Angle Sensor 2 for Trottle Actuator (G188)
>> implausible signal
>> P1171 -35 -10 Intermittent
> My quick Bentley search points to checking the
> "throttle actuation potentiometer" and it points to a
> procedure on how to check said potentiometer using a
> VAG tool. I briefly looked at that procedure and it
> is a bit lengthy to summarize here, but it involves
> watching the values in a measuring block as you
> depress the throttle. It went on to other procedures
> to check different components throughout this system.
> Another quick search for EPC resulted in a reference
> to the fact that a malfunction in the electronic
> throttle could cause the EPC lamp to come on.
> FWIW, hope that helps ...
> Single Malt
> '01.5 S4
> Garaged at 9200ft
> just outside Denver, CO
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