Check the fuel pressure out of the pressure regulator before doing anything
else.
Tom Miller
----- Original Message -----
From: "Conrad Klahn" <conradk@MAC.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Tuesday, January 27, 2004 11:11 AM
Subject: AFM symptom? Won't Start After Being Off for +1 min.

> Hi,
>
> So, the new coil did make things run better. I did find a vacuum leak
> which fixed the cold start symptom. Now If I start it up first thing in
> the morning it starts easily and runs well. If I warm up the engine,
> then turn it off - it starts back up easily. However, if I then turn it
> off and wait - the rest of the day it does not start up easily, and
> runs poorly. (I am getting good voltage to the start, as it turns over
> very fast.)
>
> I can disconnect the O2 sensor (new) and that makes no difference.
> Neither does disconnecting the Cold Enrichment Switch (new). So, I have
> to rule those out. The Idle Stabilizer also checked out fine in my
> earlier troubleshooting. (New coil, new plugs, grounds checked, etc.)
>
> This morning, after going through this again. I disconnected the AFM
> and ECM (then waited and then plugged back in) and it did start up
> easily, but ran poorly. Then after the engine stalled, it would not
> start up again.
>
> I'm thinking that the AFM is wacked out. I'm going to try and pull it
> today but just wanted to make sure that somebody else hasn't had this
> symptom.
>
> Conrad
>