Jason-
A little bit of scorch on the rotor is normal.  Millions of miniature
lightning bolts get hot after awhile.  I think that your previous burn out
of the rotor has a lot to do with the fact that it was not Bosch.  The goofy
idle sounds like it is being caused by bad wiring to the temp 2 sensor, or
the connector just making lousy contact. If you don't yet have a Bentley
manual, I suggest that you get one.  There is a test procedure in the manual
that allows you to use a digital voltmeter to  read the signal coming from
the temp 2 at the plug on the ECU.  With very little creativity you can also
test the continuity of the wires themselves to see if that is the problem.
Don't guess.. Test!

Gary
----- Original Message -----
From: "Jason Willenbrock" <pooncerelli@HOTMAIL.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Sunday, February 18, 2001 11:47 AM
Subject: burned rotor and temp II ques. 90gl

> hey all,
> it happened again. this is the second time in one month that my rotor has
> burned up on my 90gl.  the first time it was a aftermarket rotor and cap
> this time it is a bosch cap and rotor.  however, this time it is not quite
> burned but i can see signs that it is burning b/c of a little char around
> the  metal edge of the rotor and directly on top of rotor (maybe this is
> normal, but the last rotor burned up completley).  what is happening here?
i
> just installed this new engine a couple of months ago and maybe i hooked
> something up wrong or the distributor is bunk or what?  please help as i
am
> about to drive cross country in march.
>
> also, my idle is a little funky still. sometimes after drivig my rpm will
> idle at 1200-1400 fluctuating.  the idle is set at about 900-1000 rpm.  on
> first cold start it idles a little high (about 1200 rpm) but then comes
down
> as the van warms up.  however, like i stated after driving, the idle will
go
> back up to 1300+ rpm for no apparent reason (van is warm).  so i go back
to
> the engine case and if i barely touch the tempII sensor wire and wiggle
it,
> the idle jumps up (sometimes as high as 2000 rpm) normal?  then the van
will
> sometimes stall out from me playing with the tII sensor wire and won't
start
> again for awhile, i guess it floods the ecu.  why is this happening?  sign
> of a bad tII sensor? i replaced it two years ago, could it be bad again?
> could the problem be in the tII wires?  could this have anything to do
with
> me burning up my rotors? ughhh! i am confused!
> please help!
> jason
> 90gl
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