Skip to main content
Gerry | Vanagon
Checking account...
← vanagon.com home · Continue the discussion in the forum
VanagonEuroVan
Subject:Re: Idle hunting problem, 85 1.9l
From:Dave Caston & Sherrie Payne
Date:Sat, 30 Jan 1999 00:34:34 -0500

Joel wrote:
my responses are in caps (i'm not shouting)
>idle hunting is usually a sign of the idle stabilizer trying to
>figure out what's what ... so either the coolant temp sensor
>wiring or the sensor itself  (NEW) isn't functioning properly (in which
>case, the bus SHOULD be stalling and dying at red lights) IT'S NOT, or the
>wiring to the O2 sensor isn't quite right JUST ONE WIRE AND I DID A GREAT
>SPLICE. what happens usually
>is that the mixture (rich/lean) is too lean, the O2 sensor
>detects this, the computer increases the mixture, and it's too
>rich, the O2 sensor detects this and the computer leans it out,
>and we start all over again.
>
>it COULD be the throttle switch(es) NEW, but they usually make the
>idle run higher, not hunt up and down.
>
Thanks Joel,
Any other thoughts?

Dave Caston & Sherrie Payne
Two nuts hangin' in the Allentown,PA tree!
E-Mail: cdcaston@nni.com

Have something to add on this topic today? Revive this thread in the forum »