81 UrQ timing issues

Martin Pajak martin at quattro.ca
Fri May 3 17:32:56 EDT 2002


At 30 degrees out it should not even idle.
Check timing marks and distributor alignment.

Almost sounds like you have a pressure transducer that has gone south.
Is the vacuum hose connected to the ECU?

Martin Pajak


1983 Audi Ur-quattro (269,000 km) Canadian spec. winter car
1985 Audi Ur-quattro (146,000 km) Euro spec. import ;o)

> -----Original Message-----
> From: quattro-admin at audifans.com [mailto:quattro-admin at audifans.com]On
> Behalf Of Mike Del Tergo
> Sent: May 3, 2002 16:08
> To: urq at audifans.com; quattro at audifans.com
> Cc: ralf.wiesner at gmx.de
> Subject: 81 UrQ timing issues
> Hi Folks,
> Just got my rebuilt (81 WR) engine back into the car and started.  The
> mechanic took it for a shakedown cruise and reports detonation/pinging at
> even moderate levels of boost, almost anything over atmosphere.
> The only "apparant" issue is the fact that timing at idle is 40 degrees
> which is 30 degrees plus out of spec.  All manual timing adjustments have
> been made.  Oddly the car idles fine and starts fine, I would think that
> sort of range would make starting tough.  A very cursory checked seemed to
> have all sensors properly wired and functioning. All vacuum hoses seem in
> proper places.  Hopefully I will double check with specs tomorrow.
> Any ideas that may have been missed improperly reinstalled when the engine
> went back in?  Any and all BTDT's welcome.
> Thanks
> Mike  (almost back on the road)
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