Temp 2 sensor and idle speed controller (assuming 2.1L). As for grounds the
ring terminals can be clean and tight but wires can be broken inside the
insulation and the wire-wire crimp connection can be corroded enough to be a
problem. The idle speed controller and ECU both use the temp 22 sensor. Both
go to one side of the sensor and the sensor sinks the current to ground. Any
bad connection confuses both. That is why I suggest troubleshooting taking
measurments before moving stuff. Only way to know what was wrong and what
actually fixed a problem.

Dennis

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
Finn Runyon
Sent: Saturday, March 23, 2013 8:57 AM
To: vanagon@GERRY.VANAGON.COM
Subject: cold start

I have just returned from a successful post re-build road trip with 1400
miles on the clock.   My only issue seems to be a hard cold start issue.
The engine will fire right up, stall and then will require a bit of gas to
get it going again.  After it is warmed up it runs like a champ.  Everything
is new on this engine.  I did a complete tear down, all bearing, seals, new
AA 95.5mm pistons and jugs, remanufactured Go Westy heads, all new sensors,
exhaust, cat, o2 sensor...  The grounds are all clean and tight, so I am
stumped on the cold start issue.  Any ideas on where I should be searching?

Thanks,
Finn Runyon
Taos, NM
87 Westy Pooh
89 Westy Roo