Search:

Under VCM Controls in the Scanner:

The help file doesn't really explain these functions much. I thought that by pressing the Fuel Trim Learn Off Button that my STFTs would stop temporarily, but...

Jimmy,
What you're saying makes sense to me but can you explain this effect a little more? Where does this excess air come from? Is it from the backpressure or vacuum effect that the exhaust would...

Jimmy, can you explain this "shoot-through and overlap air"?
Thanks for taking some time to help me out with this.

Thanks Jimmy but I don't think that's it because I'm all 14.7:1 +/-2 when I tune my VE and this only shows up when I turn the MAF on.

Need some help here please!!!

I've been chasing my tail with the MAF tuning for days now.

The problem I'm having is at the same MAF freq, sometimes I'm rich and sometimes I'm lean depending on...

Thanks 12sec

Try this guide and let me know what you think.

http://www.hptuners.com/forum/showthread.php?t=12796

I disabled my MAF by setting MAF fail freq to 0. However, I noticed when I load my log into my MAF tuning.cfg file that I still get MAF - AFR error to register on my histogram. Am I doing something...

Awesome work Eagle! I'll update it and post the new version tomorrow.

Correct Eagle

See you guys at SEMA, let us know what booth you get.

Please do Eagle, I want this to be as easy to understand as possible and I think screen shots help a lot with that. Just email me your edited copy and I'll update the linked copy.

Thanks Bill, made the change. I'm still unsure about the last page (Disabling Rear O2s, Mil Lights, SES, DTCs) What is the difference between unchecking the SES block and setting error mode 2 - no...

Nightmare,
Try this guide I put together:
http://www.hptuners.com/forum/showthread.php?p=91394#post91394
Just follow the steps from start to finish, I made it for my Z06.

The key part of that is smooth "as possible". Like you said - below 4000 rpm smooth is easy to achieve, but higher than that "smooth as possible" may be close to mashing the throttle.

Made a few changes to the guide. Howie, thanks for the advice, I'll be implementing your recomendations as soon as I get a chance.

Please keep the recommendations coming,
Thanks

Red,
Thanks but now you have me wondering how I should be tuning my VE tables. What is your method for tuning the VE table? Do you have a write-up on your website that I can read that explains it?...

Does anyone have a excel spreadsheet that I can use to average multiple log files together?

I would like to take my short drive scan logs and average them together to come up with at least 50...

I think that this is on the to do list for the HPTuners programmers but until it is added to one of the future versions..... does anyone have a spreadsheet (or method) that will allow me to combine...

Thanks Bill, I'll fix that - and thanks for all of your help (read and used a lot of your stuff to make the guide).

I put together a little step by step guide for guys new to tuning (like myself).
This is just material that I found in the help manual and HPtuners forum that I put together in a start to finish...

Thanks EC,
I have a WB ahead of the cats and I'm showing as rich as 11.9:1 in places. I've already tuned my VE up to 4000rpm and now I'm adjusting the MAF to match my commanded AFR.
However, I am...

I'm tuning VE and PE on a '01 Z06 with LT headers and CAI. My stock AFR settings show a wave that starts off rich, leans out a little, back to rich and finishes off in between. EQ ratio starts off at...

Y2KMan did you ever get it figured out? I'm getting the same results while tuning my MAF. I'm using a WB and following the HPTuners manual user submitted help file written by Foff.
I'm copying and...

Thanks EC, I appreciate the help and I'll set up my Burst Knock Histogram like you said; but I am showing no KR so does this mean I have no Burst Knock? I've read conflicting info on this - I read...