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Just had this exact issue occur to me. Didn't even start a read and has bricked the ECM... Googling it seems as though this has happened to a number of people. Any solutions would be greatly...

Hi all, having this issue on a couple of cars. Two BA falcons, one a turbo converted wagon, the other an XR8 with a positive displacement blower on top. Both on E85.

I can get them to cold start...

Thanks for your help, Luke. I scanned it quickly and it came up with ABS CAN communication error. I'd drawn the conclusion from this that my issues stem from using a sedan tune (IRS), and I should...

Thanks for the reply. I decided to take the easy way out and just fitted the turbo to my existing motor. I used the XR6T map sensor and fuel pressure reg and flashed in a BA XR6T tune with PATS...

Hi guys, appologies in advance as this will stray from the tuning side of things a bit. I figure there is a wealth of information here so it's worth asking.

Long story short, can I make an FG loom...

I don't have the experience of a lot of other guys on here, but here's my 2c:

Those timing swings are huge. For a start, cut back your idle under/over speed tables. As a test, make it say... 0...

invest in a cheap line locker/stall/rear gears. Do all 3 and it will be a real party machine :burnout:

Hi guys, I've not tuned one of these before, but a good mate of mine brought his to me because the engine light keeps coming on. I'm just going to stop it bringing the light up for this particular...

Yeah, that's embarrassing... I'm protecting my intellectual property

Re-attached my current tune. Did some more trial stuff this morning, now that I have VCM scanner working properly again, I...

I understand it may be a bit underwhelming, but what was the thought process that lead to you purchasing what you yourself describe as the "the worst driving production car I have had the displeasure...

Thanks for the assistance 68Camaro. Yeah I was a bit suspicious about the IAC being dodgy, however, I did some more playing today. this is what I found:

When I have all my integral values zeroed...

No one with anything to ad?

Is there anything apart from throttle follower I can do to keep MY IAC open? is there a minimum IAC value to set anywhere that maybe I'm missing?

Short version: I want my IAC to stay open with throttle application, then slowly taper back down to idle when lifting off.

Long version: Hi guys, having some trouble around idle. It doesn't want...

Just bumping this up for one last try.

Can someone tell me what the 'ramp' values represent, and why the values in the table don't seem to follow any particular pattern?

I'm having the same issues with my BA, all I get in the scanner is RPM, Ign timing, CTS and a few fuel trims. No load input at all, not even the raw values from the o2 sensor, just fuel trim data.
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Thats a pretty reasonable idea turbo_will, I do have a stock XR6T file from the tune repository I can reference, don't know why I didn't think of that earlier.

Grant, I have enough info that I...

This sums it up pretty much. I'm not looking for any ones magic tuning approach, I just want to get my head around what certain things mean, to try and determine what sort of logic the ECM uses.

I...

Hi guys, thought I'd revive this thread rather than start another.

Decided to plug HPTuners into my BA the other day and just have a poke around, I'm relatively familiar with GM stuff, this is the...

Hi Shane, what would you recommend someone who has yet to tune a GM auto trans, any good reading material to start on, other than the descriptions given in the HPtuners help centre? Can you sell me a...

Would like to know also if the tuning school info on trans tuning is any good, been considering the purchase myself.

I was having the same issue on a pov pack BA, was using 3.0.16 I think, updated to 3.0.22 and it worked, although now having issues with trying to flash it back in (eraser gets to 95% and times out)....

Upon further reading in this thread: http://www.hptuners.com/forum/showthread.php?37270-id2000-SD2-5-no-working

It seems that I may need to set my voltage offset table to one number? My offset...

I actually for my hands on a stock tune for my car last night and did just that. I had previously been looking at stock tunes for 5.3's, 4.8's etc. Copied them all over and just waiting to try it. ...

Yes, I did note that. The car was originally tuned by a guy here in Australia, who is probably one of the best known for building big hp stuff, 2000rwhp+ stuff, and is link to think he wouldn't have...

Hey guys, after trying for many hours, I've decided to admit defeat and ask for help. I'll try to give as much info as I can without rambling on too much. Car is a VY Holden Commodore, LS1 ECM,...