WS6FirebirdTA00

iTrader: (33)

ok first thing, i monitored my numbers with the predator and this is how it went: LTFTs were 2-3% at 2000 rpm standing still, down road about 6.25% but shot up to around 8 or 9 for a while, 1600-2500 rpm at stand still read off -1.56%. the first readout for o2 at WOT was 860-960 mV and at stand still went all over the place. how do i get better readings on these and how are these numbers sounding. and now my car wot start. something happened and the vin was lost and the car will not fire at all. everthing seems to work but it will not start. do i just need to get the PCM reprogrammed? its at the dealer right now :/ just hope its an easy fix. and shouldnt diablo sport fix the predator at no cost?

jimmyblue

iTrader: (11)

Closed loop O2s will wander around, the loop works on
the duty cycle or average voltage, not the immediate
value. So pay no attention to the O2s at idle or light
throttle unless you see them sitting pegged high or low.

I think you are still a bit lean. The power enrichment
shouldn't be affecting the low-RPM, low-throttle LTFTs
or mixture much (2KRPM at no load) but the "on the road"
numbers being positive indicate more PE should be applied.

What is your current PE setting that made these trim
numbers? Also remember that LTFT is -long term- and you
will need to have a few days' worth of driving to get
any PE change to be incorporated fully in these "rolling
averages".

There's a danger in programming your PCM, especially
if the writing is interrupted an a bad time. There are
some warnings about this in the Predator manual,
especially about keeping power drains minimized and
not messing with other stuff while using the Predator.
I don't even open the doors while the thing is in
programming mode, just to be on the safe side.

I've heard of folks munging the PCM with aborted LS1-Edit
writes. This is the first time I've seen the Predator
implicated in this kind of thing. Did you have an
interrupted session or something?

WS6FirebirdTA00

iTrader: (33)

i followed the directions exactly as they said. nothing was on or open but then it said it was done and then that was it and went to a different screen. not the normal one. and now the predator wont read anything off any car. so i think the dang motherboard deal in the predator is messed up, but i just hope they can fix it if i send it back to them. what do u think they will do. they pretty good about helping people out?

BLK02WS6

iTrader: (2)

Mine has messed up on me a couple of times. It will lock up and kick me all the way out to the first screen. It has always happened before trying to program - not during the countdown. I just turned off the key and unhooked the Predator for about 10 secs, then went through the drill again. Once it did it to me while trying to reprogram my stock tuning in, and the car would not start - scared me to death - I just waited like I said above, and tried again, and it worked.

I think there is some kind of glitch.