[V8] Stalling problem

[Kneale Brownson]

Isn't there a transmission control unit like the engine control unit?
Maybe there's some problem with it?

At 07:42 PM 11/21/2003 -0500, Shawn Head wrote:
>Alright guys, I am really getting aggravated with this one.
>
> 
>
>As some of you know, for the past 6 months or so, my car has been having a
>high idle/stalling problem.  The only fault codes that are thrown are:
>Lambda (oxygen) sensor intermittent 8:10.  
>
> 
>
>The measuring blocks show that the load is low around 23 when it is supposed
>to be around 33.  The O2 sensor reading gets erratic sometimes peaking out
>at 166.
>
> 
>
>I have replaced the oxygen sensor twice, replaced injector seals, cleaned
>both the ISV and Trottle Body, and Switched out the ISV and MAF sensor from
>Dad's 90 hanger queen to no avail.
>
> 
>
>Here are the symptom.  Upon starting the car the idle stays around 900 until
>the car warms up and the oil pressure comes down to normal.  However, when I
>stop at a light when the engine is cold or warm the car will sometimes
>stall.   The engine RPM's will either drop to 100RPM and Jump up to 1200 RPM
>in order to recover, or the car will simply stall.  This is even more of a
>problem when I am reversing.  Particularly while parking/backing out of
>parking spots.
>
> 
>
>I am convinced that this isn't a mechanical problem but an electrical
>problem.  It is as though there is a signal that is missing, or that hiccups
>for a second and makes the car stall at the light.  
>
> 
>
>What are my possibilities and solutions?  Short of replacing everything!
>
> 
>
>Thanks guys!
>
> 
>
> 
>
>Shawn Head
>
>'91 V8 Pearl/Nautica
>
> 
>
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