[Shop-talk] High Hydrocarbons

[David Scheidt]

On Wed, Aug 28, 2013 at 9:38 AM, Battmain <battmain at yahoo.com> wrote:

> Pre_OBD II still had a diagnostic connector that you could short to see if
> there are any codes. (at least my cars did.)
>
>
>
91 GM stuff sure did, too.  But it's specialized, and if you don't have a
tool, maybe not worth it.  It's pretty easy to monitor the o2 sensor
voltages, with a cheap (or not cheap, if you've got one) DVM.


-- 
David Scheidt
dmscheidt at gmail.com