With the engine warm, diusconnect the idle stabilizer valve. Drive it a
bit and see what happens.

I had an 85 GL with 1.9L WBX and it did exactly what you are talking
about. I did the test. it was the valve.

John Rodgers
88 GL Driver

John Schaper wrote:

>84 1.9L westphalia, manual transmission.  Relatively (less than 5K miles)
>new valves and heads.  Its been running great with an idle RPM of around
>1,000.  But over the weekend, while stopped at stop lights,  over the course
>of 20-30 seconds, the rpm's decline, engine runs rough, engine dies.  Vacuum
>lines new and connected. What else might I look for?
>
>John Schaper
>Assistant Director Ancillary Services
>Health Services Agency
>P.O. Box 3271
>Modesto, CA 95353
>209.558.7102
>209.558.8320 (fax)
>jschaper@schsa.org
>
>
>
>