Best source for an ECM for the '91 200 TQ 20v?

[Bernie Benz]

Phil,
You’ve sure held that new dist. gear for a long time without  
installing! Yes, failure of the cam gear driving the dist. has been  
reported before, once or twice, on this or the NA 20V list. But you  
did good, DFWAB!

Bernie


On Dec 2, 2010, at 6:42 PM, Phil Rose wrote:

> Jim,
> Another "vulnerable" part of the system is the distributor-shaft gear
> (original gear is nylon) and also its "mate"--a steel gear that is
> (usually) an integral part of the exhaust camshaft.
>
> About a year ago, my '91 200q lost power while on the track at
> Watkins Glen. Later on at the shop, an inspection revealed that the
> flywheel pin had broken off. A replacement pin was installed, but the
> car still would not start.
>
> Further investigation revealed that the distributor drive gear was
> not mating with the camshaft gear. But when the distributor was
> pulled, they didn't see what they expected: in fact the notoriously
> fragile nylon gear at the end of the distributor shaft was in perfect
> condition, but the steel camshaft gear that meshes with it had
> snapped off.  I've since heard that it's happened to others but not
> common. Much, much more common is disintegration of that plastic gear
> that's pinned to the end of the distributor shaft.
>
> So...getting the car to start required replacing the exhaust cam, and
> for good measure, the long-overdue replacement of the nylon
> distributor gear with the (Benz) metal upgrade.
>
> Perhaps you've eliminated  the possibility of such distributor
> issues, but be sure to do so before going to the expense of replacing
> the ECU. Good luck.
>
> Phil
>
>
>
>
> At 2:17 PM -0500 12/2/10, <James.Pasqualoni at sungard.com> wrote:
>> Maybe a dumb question-but have you verified that the timing pin on  
>> the
>> flywheel is present and in good condition?
>>
>> -----Original Message-----
>> From: <200q20v-bounces at audifans.com>@SUNGARD On Behalf Of "Jim  
>> Hollander
>> at Hot Grips Mfg., Inc." <Jim at hotgrips.com>
>> Sent: Thursday, December 02, 2010 2:13 PM
>> To: 200q20v at audifans.com
>> Subject: Best source for an ECM for the '91 200 TQ 20v?
>>
>> On my "Unable to start" 1991 200 TQ 20v after getting the Vag-Com,  
>> and
>> following the Vag-Com codes that my car had a bad engine timing  
>> sensor
>> and
>
>
> -- 
>
> Phil Rose.....Rochester, NY USA
> '06 A3q 3.2 V6 (20K, silver)
> '91 200q	(165K, Lago blue)
> Gone to Audi Valhalla:
> '91 200q   (Tornado red)
> '89 100 (Bamboo gold)
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