[V8] V8Q Still no start

[Eric Devansky]

Thanks for the info! Just out of curiosity what is the silver ECU looking
box under the rear seat?

As soon as I know what pins to check, I am going to look into it. I hope
this is something simple.

~Eric


On 10/3/05, Kneale Brownson <kneale at coslink.net> wrote:
>
> Engine control unit is under the dash in the driver footwell. There's a
> transmission control unit (if your '91 is an auto) that's just below the
> ECU.
>
> At 10:33 AM 10/3/2005 -0400, Eric Devansky wrote:
> >Tony~
> >Pin location and specs would be great. Also where is the ECU located in
> the
> >'91 V8Q? I hate to ask such a dumb question, but I have driven the car a
> >total of 250 miles when this happened!
> >
> >Thanks for the help,
> >~Eric
> >
> >
> >On 10/2/05, Tony and Lillie <tonyandlillie1 at earthlink.net> wrote:
> >>
> >> Eric,
> >> There are a couple of things you need to check. First, did you make
> sure
> >> to
> >> plug the RPM and Reference sensors into the right connectors? Also, did
> >> you
> >> replace the RPM sensor, not the reference sensor? If you have no
> bouncing
> >> tach, and no spark, it has nothing to do with the fuel delivery. There
> is
> >> something wrong in the delivery of the signal. Next step is probably to
> >> check the connections at the ECU. Maybe do the resistance check there.
> If
> >> you need help with pin location or specs, let me know. I have the
> manual
> >> right next to me.
> >>
> >> Tony Hoffman
> >> ----- Original Message -----
> >> From: "Eric Devansky" <edevansky at gmail.com>
> >> To: "v8 at audifans.com" <V8 at audifans.com>
> >> Sent: Sunday, October 02, 2005 8:41 AM
> >> Subject: [V8] V8Q Still no start
> >>
> >>
> >> >I replaced the RPM sensor and spark plugs yesterday with no change in
> the
> >> >no
> >> > start condition on my Audi.
> >> >
> >> > The engine cranks fine with a slightly different tone than normal,
> >> > compression is okay, low on one cyl, but okay on the others. The tach
> >> does
> >> > not bounce when cranking, and it is giving me the code for the RPM
> >> sensor.
> >> >
> >> > The car was driven and parked, and then would not start after that.
> >> >
> >> > What else should I check? I am thinking it could be fuel related,
> what's
> >> > the
> >> > best way to diagnose the fuel pump and relays?
> >> >
> >> > Thanks,
> >> > ~Eric
> >> > _______________________________________________
> >> > Audifans V8 mailing list
> >> > Send posts to: mailto:V8 at audifans.com
> >> > Manage your list connection:
> http://www.audifans.com/mailman/listinfo/v8
> >> > Have an Audi V8 question? Check the Audifans Knowledgebase!
> >> > http://www.audifans.com/twiki/bin/view/Audi/V8
> >> > Have a V8 answer? ... Please help others by adding to the KB ... all
> >> > contributions welcome!
> >>
> >>
> >_______________________________________________
> >Audifans V8 mailing list
> >Send posts to: mailto:V8 at audifans.com
> >Manage your list connection: http://www.audifans.com/mailman/listinfo/v8
> >Have an Audi V8 question? Check the Audifans Knowledgebase!
> >http://www.audifans.com/twiki/bin/view/Audi/V8
> >Have a V8 answer? ... Please help others by adding to the KB ... all
> >contributions welcome!
>
>