AWDAudi at excite.com
Mon Apr 30 07:01:49 EDT 2001
I have finally recieved my new fuel distributor and injectors. Low and
behold... the beast has never run better, even before I adjusted the idle
and mixture. I'd like to thank everyone for their posts and continued effort
in helping me find the reason for my calamity. Thanks again.
> On Thu, 19 Apr 2001 00:24:27 -0700, one at humanspeakers.com wrote:
> > Jesse+ Clendenning wrote:
> > >
> > > Thanks for the suggestion Huw. It is relatively new. I did measure
> > > adjust the mixture to ~0.5 volts according to O2. It idles decent
> > > What I thought of today was measuring the voltage at different RPM
> > > with the duty cycle to see if it responds accordingly.
> > the OXS voltage, like the duty cycle, should vary *continuously* whiel
> > the engine is running and warm. if not, chances are either the OXS is
> > bad or the ECU is not controlling the system properly.
> > > If it doesn't then I
> > > need a replacement for the O2 sensor. If the results match... then I
> need to
> > > look at maybe the Fuel Distributor or the Warm up Regulator because
> > > pressure would not be stable? As you can tell that is a little of a
> > > mark.
> > if the car is not going into "closed loop" then several things could
> > at fault - temp sender, so the ecu always thinks the engine is cold,
> > not responding to exhaust content, wiring problems (missing fuse, bad
> > ground at intake manifold, etc.)... and probably a few other things I
> > can't remember right now!
> > hope this helps a little, anyway.
> > --
> > Huw Powell
> Thanks buddy. I have specked out each of my temp sensors, warming my
> up, as it cools taking resistance readings. Flawless (Should be, they're
> month old). Measured air temp sensor resistance also. The main 4 teminal
> temp sensor is new also. New throttle switch. When I redid the head I
> replaced most sensors. O2 sensor among them. I always use quality parts
> german. My new fuel pressure gauge helped me track this down. I know the
> Fuel Distributor *never* fails and is usually misdiagnosed. This is why
> diagnosis took me so long. I went through every system at least 5 times
> be certain. At times completely disassembling the system to be sure
> everything is fastened correctly and tests could be followed out to the
> letter. I went through all connections at the MAC11, Good. I've only
> CIS Audi's and VW's and truely understand the system. I can tell you are
> extremely knowledgeable about these automobiles. I'm sure I don't have
> experience, (never done an engine swap... 2.1 to 2.3, etc.) but I am
> there and learning everyday. Thank you for your continued interest in
> thread. On Friday or Monday I will receive my new Fuel Distributor and
> injectors (I wanted them anyway... why not now?). I will tell you of my
> adventures then.
> Sorry for the long post. I find the list to be unmeasurably valuable. At
> times it is my greatest reference for repair (the truth is there if you
> for it).
> Send a cool gift with your E-Card
Send a cool gift with your E-Card
More information about the quattro