[V8] V8Q Still no start

[Maurice Greven]

Kneale is right.. next to the battery is the Central Locking pump and
control, but on the drivers side there is an ECU thingy that I'm pretty sure
is the Air Bag Control and Power source.... 

You could tap it with a hammer to check... (kidding !!!)

Maurice
'90 V8 with 190k.. and a slightly overdue timing belt....



> -----Original Message-----
> From: v8-bounces at audifans.com [mailto:v8-bounces at audifans.com] On Behalf
> Of Kneale Brownson
> Sent: Monday, October 03, 2005 2:46 PM
> To: Eric Devansky
> Cc: v8 at audifans.com
> Subject: Re: [V8] V8Q Still no start
> 
> The thing under the back seat is the central locking pump/control box.
> 
> At 05:27 PM 10/3/2005 -0400, Eric Devansky wrote:
> >
> > 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
> <<mailto:kneale at coslink.net>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
> >> <<mailto:tonyandlillie1 at earthlink.net>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"
> <<mailto:edevansky at gmail.com>edevansky at gmail.com>
> >> >> To: "<mailto:v8 at audifans.com>v8 at audifans.com"
> >> <<mailto: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:<mailto:V8 at audifans.com> V8 at audifans.com
> >> >> > Manage your list connection:
> >>
> >>
> <http://www.audifans.com/mailman/listinfo/v8>http://www.audifans.com/mail
> >> man/listinfo/v8
> >> >> > Have an Audi V8 question? Check the Audifans Knowledgebase!
> >> >> >
> >>
> <http://www.audifans.com/twiki/bin/view/Audi/V8>http://www.audifans.com/t
> >> wiki/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>http://www.audifans.com/mail
> >> man/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!