[A4] Bucking and EPC light
david.weprin at gmail.com
Mon Jul 25 15:18:52 EDT 2005
You're right, the problem is reproducable by utilizing the tiptronic to
induce a high throttle, low rpm situation. The EPC light will almost always
certainly come on under such conditions.
On 7/25/05, David Weprin <david.weprin at gmail.com> wrote:
> Come to think of it, do the Audi's need a "special" 72k service? I'm at
> 73k and have not had any "special" service done since 50k.
> On 7/25/05, gt40 <gt40 at mail.ev1.net> wrote:
> > It really sounds like its fuel or spark related.
> > If the motor isn't making power, you're likely to be giving it
> > more throttle than is necessary for a healthy engine. Then, since
> > the problem is intermittant, it fixes itself. But you're still
> > giving it a lot of throttle, so the car surges.
> > I'd check all the coil packs, condition of the spark plugs, and
> > other notmal tune-up items (in fact, if its been a while, get a
> > tune-up any way.) If that doesn't clear things up, have the
> > injectors professionally checked and cleaned, if necessary.
> > You're sure there's no ignition-related codes (cylinder misfire,
> > bad signal crom the cam positon sensor, etc...)?
> > ________________________________________________________________
> > Sent via the EV1 webmail system at mail.ev1.net <http://mail.ev1.net>
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