Re: [DMCForum] Digest Number 1962

[doctorDHD@xxxxxxx]

Ryan,
 
1) How old is your O2 sensor?  Make sure it is connected.  There  is a 
connector inside  the driver's side wheel well.  If not sure you  can test it per 
the manual or just replace it.
 
2) Once you get the system working properly you'll likely be able to adjust  
it properly with the dwell meter.
 
D² & 6530

Message:  3         
Date: Fri, 3 Feb 2006  21:12:30 -0800
From: Ryan Wright  <ryanpwright@xxxxxxxxx>
Subject: My first tune up

I've pulled  the transmission twice but have yet to perform a tune-up
beyond replacing  the plugs, etc. That's lame, so now I'm attempting to
perform my first real  tune up on my DeLorean.

I just need some help. :-)

The  diagnostic socket now works (thanks to Dave Delman; connection
underneath  was unplugged & damaged as you suggested). Dwell meter
shows a steady  position when cold, as it should. Unfortunately, once
the car warms up, the  dwell meter still shows a steady position. I
tried running a ground from  the ECU to the engine block as suggested
here  (http://mysite.verizon.net/vze7u0gn/id6.html), but it didn't
help. I'm  fairly certain I can hear the frequency valve buzzing.

Now what do I  do?

Second piece of information to this puzzle: I started this  quest
because of a lean condition causing a "glug glug" noise  on
deceleration. Working blind since my dwell meter wasn't swinging  back
and forth, I dialed the mixture up 1/4 of a turn anyway. This  fixed
(!) the glug glug noise, but unfortunately caused the engine to  begin
surging up and down fairly significantly at idle - so I put  the
mixture back where it was.

>From here, I have no idea where to  go. Any advice would be greatly  
appreciated.

-Ryan






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