Scanner problems

[Bruce Plecan]

From: Jason Weir <jweir at worldnet.att.net>
Subject: Scanner problems


 Second (all this was a
>idle)I am getting about 20 IAC counts at idle

This 20 is fine

 I assume that this is
>because the damm thing is running rich all the time, actually set a
>"oxygen sensor rich" code during the data logging,  that was a first.
>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.

, Same thing for the integrator it was at 128 and then went
>to 60 when it went closed loop, think that I might need a rework of the
>fuel maps???

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..

 Another problem was I getting knock counts almost
>constantly at idle, it would go from 0 to 255 in about 10 seconds and
>then start over, until that is that I disconnected the sensor.  the
>reason for that I guess is because the sensor is for a chevy 4.3 V6 and
>its on a Jeep 4.2 I6, different frequencies? 

Depending on the BCC some do that, try a different BCC.

well any ideas on that one?
>maybe using the stock jeep sensor, think it will work with the GM stuff?

Dangerous quessing here.

>Other bits of info, TPS voltage .66 - .68V 

that's fine.   Record TPS at 45-55-65 mph.  Before ya go any further.

througout the test, about
>10hg vacuum,
>    I will have to try this again after I get the correct vin# because
>it didnt include things like timing advance and knock retard, and some
>other that I thought should have been there.. thanks for any help, 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
>
Cheers
Bruce