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yup, yup, and yup. Wouldn't the wrap on the AFM just trap in more heat and make the heatsoak/damage worse?

Haha there ya go!

YES!:eek3dance

hmmm IJ.. I made up.. umm "malfunction"...errr... "indication"..uhmm.. "light"! But i may just be wrong if he didnt mean CEL ;)

hahah dead on about the prodding. I'll have to search through some MAF-T diagrams to find out about ITA sensor.

Gotcha about the "MIL" haha. Unfortunately I dont think i can unplug the air intake sensor? I thought it was built into both AFM's and MAF's.

Maybe the ECU is seing the heatsoak from the MAF and pulling fuel to avoid an overly rich mixture (because of the "hot" intake charge). Maybe the ECU made this a change to the longterm fuel trim after repeated heatsoak-ings. That could be a longshot tho. haha.

JJ I couldn't disconnect the MAF because its only under WOT that I see the drift. 24 doesn't flash the CEL, I've only founding it by running the code diagnostic. And my "piggyback" or so i call it is the MAF-T.

So Nick you're thinking either the ECU is trying to make my charge more difficult to light. Sorry lol. I just didn't follow that post. Another thing to keep in mind is I do run MAF-T with a GM MAF sensor which probably does become heatsoaked being positioned above the valve cover/next to the...

piggyback= MAF-T

actually.. every now and then I'll get an Air temp sensor code.. 24 I believe?

So its possibly not playing nice with my piggyback

Its WOT, cruise does pretty well staying at 14.7 (also does a good job scaring me under closed loop boost).

Not all of us can run that fancy EM ;). If you didn't I'm sure you'd already have an answer IJ! We'll wait for JJ, DRJ, etc.

I've re-set my ECU a couple times in the past 6 months. I've noticed the following w/ my wideband. After I first re-set my ECU my AFR's are rich rich rich. Gradually as time progresses (say over the course of a month) the AFR's start to lean out. More specifically I could be in the 10 AFR range...

I think I had the exact same problem.. came and went all in a day. I havn't heard it since. Its literally heart-stopping. I'm glad yours didn't turn out to be RK either!

I was thinking the same thing as jetjock. The ECU is having a fit if it cannot hold 14.7 at idle at least. What are the Vf's doing?

Have a shop do it if you want to save the enviroment.

I'm with you

No. It doesn't. I was the same way.. then i was like hmm.. headgasket? Then while doing that I said.. hmm this turbo has some shaft play. SP61GT? ok! Oh yea.. injectors fuel pump blah blah blahhh AHH!!!