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it has a P/N switch its a gmt800 5.3/4l60 With what everyone is stating, seems as if i have a brick but it runs and drives even WOT only after 110...

Hey mike can you post up that stock 392 file you used? id like to check it out.

On my PO1's it's under cranking fuel.

i could care less what that value polls at what matters is the mph that is printed on the time slip the longer the stock smogged out pcm is...

Can a cm848 be read by hpt with an OS swap? What stops the 848 from being read to began with? I'm having little tiny issues and they are bugging me. ...

Oh and I've done everything possible to stop this issue on my end (researched the forum etc) Looks like it's something outside of the adjustability...

I thought I knocked out the rev hang issue but the revs hang over 2500 rpms no matter what settings are used. Under 2500 @WOT the rpms don't hang....

how does one do this? do you export the .hpl file to .csv? or the channel list itself?

Name names.

they are really controlling the fuel with PE with an adjustment to the ramp in. and sucked all the timing out of it. they also scale the MAP...

If it is running at 14.6:1 on the dyno and the PCM thinks it is commanding 8.4:1, and 6.4:1 at startup on gas, something is very wrong.

Catalyst spark correction.

Somebody with more experience chime in on this part. Cooler air means more grams per cylinder, but colder means slower burn. Can't this easily...

i cant open the attachement

Zero it. No question, just do it.

Is he going to try to leave it open loop when the swap is done? That's what matters in the end. If not, might have wasted a good bit of money on dyno...

I'll look in to that tomorrow. about flex fuel sensor, i have mounted one but i have not enabled it as i feel that i have my hands full with simpler...

Yes no cats. Long tubes upstream o2s

The original in post 1 was tuned on the dyno with wideband.

Did I read "no catalytic converters"? If so, zero this. That's from the "original" file by the way. Didn't open others. Slow mental day...

Im not seeing the parameter to prolong pump prime or the delay timer between primes. I may have them on a xdf but not the first one i opened.

I suggested zeroing out certain things that may point towards idle air. If you get to the "unplug MAF" part and it runs the same as before unplugging...