Hot Start Problem

[Kent McLean]

Vincent Gelinas wrote:
> I'm new to this and to the Audi world.  I just bought a 1989 90q with
> the 10v NG engine.  When I drove her home, she was okay under light
> throttle, but under more than, say 1/3 would cause her to stall and I
> couldn't restart her for about 10 minutes.  I found out she didn't like
> to start when even a little hot.  When the engine is cold, she usually
> starts right away.  Once she is hot, she won't fire.  Cranks, but won't
> fire.  And still, the problem with stalling upon application of
> throttle.  I just replaced the fuel filter and she still does it.

Sounds like a sensor dying.  When it gets hot, it's dead. When it cools
off, it's good to go again until it gets hot.

You should be able to pull the OBD-I codes. SJM Autotechnik has a great
web site for troubleshooting (NF engine, not the NG, but I *think* it
should be close enough for you):
<http://www.sjmautotechnik.com/trouble_shooting/100ecuf.html>

-- 
Kent McLean
1999 A4 Avant, V6 Tiptronic
1990 200 Avant mit V8 conversion
gone: 1990 V8 w/5-speed and other mods
gone: 1991 200 TQA #3, with mods
gone: '91 200 TQA x2, '94 100 S Avant, '89 200 TQ "Bad Puppy"