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Posting for self-reminder

Good Thread...

:chug:

X3

:chug:

Unhooking battery fixed it...

After looking at your histogram pic...I am not sure this is the answer... It appears you are just cruising along right in the middle of FTC 6, with no transition. Then Bank 2 STFT just up and jumps...

Rob,

Jimmy is referring to the fields defined in "Engine, Fuel Control, OL & CL, LTFT Boundaries" There is a RPM and MAP button...

Look at this pic (the top half of it)... notice where the...

I just opened this file and the Histogram Tab 6 (VE - AFR Error %) displays correctly... shows idle right at 800rpm and 40 MAP... But when the Rob plays the log back Tab 6 only records/shows in...

Hey man I think this is it.... I am sure someone here will verify it...

GM part # 12223861

:cheers:

Resurrecting this thread...

I thought C5s (Corvettes) did not use the IAC Steps vs Effective Area table??? Just the ETC Scalar, right?, wrong?

:banghead:

I have never seen less than 5% TPS, idle or decelerating...



This is this table has not been touched and I have compared it to other 2001, 2002, 2003, 2004 C5 stock tunes.... they all have the...

I have one....


This is from a buddies 2002 ZO6, no modifications... I have posted this file also to the Tune Repository, but for some reason they do NOT list it as a ZO6... same file...

I must not be reading this right???


"DFCO Enable TPS vs. RPM: Throttle position must be below this table value"

(See attached pic.)

The way I read this, the TPS must be below these values...

This is exactly what I am seeing. I guess the two (NB and WB) are never going to agree to the level of precision I want... :banghead:

I have disabled the LTFTs (and DFCO) for this experiment... so no LTFT learning. The reason I am asking is my STFTs do not agree with my WB.. specifically at low rpm, low MAP areas...

:cheers:

Who do you trust (most) when SD tuning your VE table, WideBand or STFT (or maybe a blend of both)???

Mods in sig (small 2002 ZO6 cam)

:cheers:

Have friend purchasing HPTuner Pro...


I thought the newest version came with RTT built in??? Am I right???

:cheers:

OK, Cool...

I have a friend who was going to leech off my serial interface but looks like he is going to purchase his own...

Any guesses on how long it takes to ship after purchase???
...

Need an answer quick...

In the NEW upgrades section of the HPTuners web-site it shows adding a year/model type to a serial adapter as $199. Is there a way to add a single vehicle/VIN to a serial...

well.... I knew that would be part of it... anyone care to recommend certain PIDs (or whatever) to monitor???

:o :o :o

Is there a procedure to fine tune these values??? (log this or that and compare to current values, then make change???) OR is it a poke and hope then try again deal???


Thanks All

:lurk:

I knew I would the answer here... :worship:

The answer was in the Closed-Loop Proportional Base vs. Airflow fueling. I reduced the values and got immediate results. Logged some this AM and...

Thanks for the replies.... I will try reducing those values and re-scanning tomorrow AM...

:cheers:

Good deal... thanks!!!

:cheers:

Small annoyance but it is driving me crazy.

When:
-Steady state driving
-RPM = 1000 --- 2500
-TP = 10% --- 18%

It feels like a surge when cruising along. The surge feeling mirrors the up...

;) ;) ;)

:cheers: