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Forgot to email myself the tune before leaving tonight, but I'll give you the run down.

2000 silverado
5.3, 4l60e
Factory ecu

Stock fuel pump
Stock injectors
Stock converter

any chance that you have hydroboost?

Ok. I MAY be able to do this tonight, if not, I will have to wait until this weekend. The wife drive's the car daily, so at 5:30pm it is still warm lol.

yea, I ended up getting beta. I decided to wax and clay the car last night instead of playing with tunes. I have to go get a o2 bung tonight, so I will try a couple things on the way tonight.

I tried LSx's tune and it seemed to fix part of it. Now that my o2 sensor is fixed (wire was grabbed somehow and broken), the car acts completely different. I am going to post up some logs tonight.
...

as best I can, I dont hear anything that sounds like a vacuum leak. When the hood is popped, it is almost silent.

anyone else have any ideas? I am still at work so I cant try anything yet, but I want to try as much as I can tonight.

ahh okay.

Another bit of info that I forgot to put into the first post. It also does it if it is in gear, it "idles" at 1500 RPM and I can actually cruise @ 40mph with my foot off the gas because...

I was just looking at my tune, and in the Target Idle Speed table, there were no values for lines 3 and 4, they were just zeroed out. Lines 3 and 4 are P/N A/C on and P/N A/C off. Perhaps that is...

"Unable to open file.
Index was outside the bounds of the array."

That is the error I got while trying to open your file. Fresh install of HPTuners on my work computer. I am able to open the tune...

the RAF was probably from when the LS1 had the F13 cam in it, although it seems they probably went too far, as it did it with that motor/cam combo too, IDK who tuned it, it was that way when I bought...

:hi:

I did a search and read through about 8 threads, but never really saw anything that caught my eye.

Car is:

2000 Trans Am
5.3/T56
LS6 intake
ported TB

Damn, no way to show the vin? I see that it shows the vehicle ID.

Getting ready to sell my 1994 GMC w/ a 2002 silverado 5.3/4l60e in it, but having issues talking to the ecu again and the owner was asking the vin of the truck the engine came from. I am using the...

nm, i found it. thanks!

I just tried to look it up but couldnt find anything, searched 2008 cobalt as well as searching your screen name but didnt come up. You're talking about the tune repository, correct?

EDIT** Sorry, I meant config, but put interface instead.

I have been messing with HP Tuners for a while, but havent changed anything on my HHR SS since the wife wants to maintain the warranty. We...

Is there any way for GM to see a "timestamp" on the ECU? Does the ECU have such a thing on it? Last modified, last edited, etc etc? Thanks!

We took it out last weekend, and it seems like we finally got it to work. We set the WOT mph and RPM way low and finally got it to shift under WOT, now we can start working them up. Thanks!

Here is the tune. We havent had a chance to get the wideband or anything on the motor tune yet, so we are running rich, but it runs fine so we are leaving it at that for now, since we cant do...

We just started tuning our 1998 Jimmy that we swapped a 2000 LQ4, 2003 4l60e into, but we are having a hell of a time getting the transmission to act correctly.

It is a 2003 4L60E with a 3200...

I just wanted to let everyone know, that this class helped me to understand tuning as well as fuel injection a lot more than I could have ever imagined. Coming from a full carb backround, and having...

I just attended the tuning class in Tampa Saturday and Sunday (yesterday), so maybe I can help a bit. Optimally, the wideband is key to getting the tuning correct. You can reload the OS for the MAF,...