alwas in closed loop

Hey hows it goin..... i will attach my log file and tune when i get home, but i noticed that no matter what, im always in closed loop mode, and my stft and ltft always read 0 all the way across the board. I also see that my commanded afr is always readin 12.5. im pretty new to tuning, but i understand a lot of the concepts, and ive been and worked on cars for several years now. i have an 06 cobalt ss with a 2.8 pulley, 60s, intake, deleted cat with magnaflow exhaust, torque dampner, solid tranny mounts, and duall pass h/e with opt b kit. i also go into limp mode and get a p1182 code that i cant get rid of. plz help if you can




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I Have A Problem.... My Ltft And Stft Always Read 0 All The Way Across... This Makes It Really Hard To Tune Maf And Ve Tables. Maybe I Missed Something Really Easy, But Does Some1 Know Wtf Is Wrong With It.... I Know My Tune Is Not Perfect... Heres My Tune And A Log File







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Looks like you are in open loop all the time, hence the 12.5:1 commanded afr the entire log and the 0'd trims.

no.....im actually always in closed loop. and my ltft reads 0 all the way across.... even when i go into PE mode it still shows im in CL....

Weird, has it always done this or did it just start?

yes its always done it.. if you look in the log file and you press on the status bit display you will see when i go into pe and that even then it says im still in cl....... any suggestions??

OK its been like a week and no 1 responds or gives any suggestions???

Have you been flashed with one of the GM stage flashes by any chance?

I did a little searching & it looks like this http://www.hptuners.com/forum/showpo...5&postcount=43 is your issue.

Thanx A Lot.... I Adjusted The Cot Temp And Its Working Fine Now.... Thanx A Lot Guys