[urq] Pre-Ignition Problems with early urq

[Martin Pajak]

He'll get the 4k rpm shut down if this is the case... easy enough to try...
However I've never seen pinging with a foulty idle switch.

Cheers
Martin

---------- Original Message ----------------------------------
From: "Justin" <cbrooks22 at cox.net>
Reply-To: Justin <cbrooks22 at cox.net>
Date:  Sun, 4 Apr 2004 22:51:52 -0700

>Did you check the idle switch? The timing control unit does not initiate
>until the idle switch is open..
>
>Justin
>
>----- Original Message -----
>From: "Robin Gilmour" <quattroguy83 at yahoo.com>
>To: <>
>Sent: Sunday, April 04, 2004 10:46 PM
>Subject: [urq] Pre-Ignition Problems with early urq
>
>
>> Dear AudiFans:
>>
>> My 83 urq has started pinging under very low levels of
>> boost.  Can anyone help.
>>
>> 1)  It may be a fuel problem but I would assume it was
>> not as it has a fairly fresh tank of 91 octane.
>>
>> 2)  I replaced the hose from the intake manifold to
>> the computer at first glance it appeared to be leaking
>> at the "y" to the boost gauge.
>>
>> 3)  I checked the hoses from the manifold to the fuel
>> pressure regulator, they seem fine.
>>
>> 4)  I checked the full throttle switch and it seems
>> OK.
>>
>> 5)  I changed out the computer as I have a spare.
>>
>> 6)  It would appear that the advance /retard function
>> of the ignition is not working.  The system seems to
>> be at full advance.  In fact the engine seems very
>> powerful under low throttle settings until the boost
>> starts and then it pings very badly.
>>
>> The car is undrivable until this is repaired.  I need
>> help?
>>
>> Regards
>>
>> Robert Gilmour
>> 83 urq
>> 83.5 urq
>> 85 4000 Racecar
>> 97 A6
>> 01 S4
>>
>>
>>
>>
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>contributions welcome!
>>
>
>
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>