Scanner problems

[Bruce Plecan]

Subject: Re: Scanner problems


>Bruce Plecan wrote:
>> >Oh yea and the BLM was around 120 until it went into closed loop
>> so long as it drives OK open loop don't get inna twist over the 120
>>  then it
>> >went to 108
>>
>> Means way too rich or timing way off.
>
>actually both, it is loading up at idle and will smoke if I let it sit
>there too long, and as far as timing goes its a GM curve and its
>drastically different from what the jeep motor wants.
>
>> Reread the tuning notes.  You "seem" to be shotgunning the tuneup
>> here.  One thing atta time.  Rarely will I do more than one item atta
>> time, and with the 747's I done abunch of chips.  Don't forget a
>> notebook so you know where your at AND where ya been..
>
>Oh I have read the tuning notes over and over I just haven't got the
>prom programmer yet so I really cant do anything I am just trying to
>learn as much as I can so I don't get over my head when the programmer
>gets here....
>
>> Depending on the BCC some do that, try a different BCC.
>
>Ok here goes again, what is a BCC

Broad Cast Code, 3 or 4 letter code gm uses to id proms. 
>
>Oh yeah and another thing, the scanner reads 10 hg at idle but a vacuum
>gauge at the map sensor reads 18? again am I missing something here?

10 hg, and 18K/Pa??..  I don't know what ya mean.
>thanks a bunch,     Jason
>
>--
>Jason Weir - 88 YJ - 258 / Howell TBI  145K and counting
>Fayetteville, North Carolina
>JTW Web pages at http://home.att.net/~jweir
>mailto:jweir at worldnet.att.net
>
>
>