[V8] V8Q Still no start

[Kneale Brownson]

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
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>>
>>
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