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disconnect the battery for 10min !! will try to do that and let you know...

Hi, I have a 2005 Pontiac GTO that I have installed an AVO twin turbo kit. I made the installation and the tuning in a garage were I live. The car drove great for the first couple of weeks. However I...

Hi all, I am planning to buy a used Ls1 engine with its ECU. I hear that if I install this engine it wont work on my project car becasue of the security thing that comes on the ECU. Can the Hptuner...

I followed all the instructions put always keep stoping the upgrade. Moreover now when I try to connect it gives me this message " Unable to verify VCM " !!

Hi. I've been using hptuner on my car for some time, put yesterday when I was tring to connect to the VCM It gave me a message saing that there is an upgrade firmware. so I followed the steps to...

:doh:

I want to change the injectors to 44lb/hr Delphi Multec II incectrs for my GMC truck. Dont know how to change the injector flow rate vs. pressure in the hptuner. I looked to the Exel sheet in this...

Thank you EC_Tune ,, I checked the fuse and it was burned so replaced it and the dtc is gone :)

To make long story short, I installed a Hennessy header on a 2006 ZO6, and somehow it made the following dtc come on:
- [ECM] P0030 - HO2S Heater control Circuit Bank 1 sensor 1
- [ECM] P0036 -...

The air/fuel is great now just where I want it to be, thanks for the great tips Russ.:D

I'll try this in the weekend.. thank you again

:shrug:

Russ K you are a saver. Thank you for the reply , now I know why the ecu keep adding fuel ---> to save the cats , I'll do the changes that you posted and see how that goes.
Put regarding using the...

Thank you stone for your reply. This is from a 2006 chvy Tahoe.
You are right I meant to put 1.180 instead I put 1.800 :banghead: .
put even if I put the PE tables ( the ones from 3500-6000 to...

-I cant find the ve table in my truck file with hptuner ,, how can I tune the fuel map if I dont have a ve table?
-Also I noticed when using the scanner that the ecu take lots of timing when...

Thank you Redhardsupra for the great site...:)

I have a 2006 Tahoe and I want to change the injectors to 50lbs (Precision injectors ). Whats the numbers that must be intered in the Flow rate VS. KPA? Is there a formula or equation that must be...

Thans 12secSS for the great help..:)

what year-model is the one you are referring too? and would it bolt directly to the existing connector?
:crazy:

I have a 2007 chevy tahoe 5.3. I checked the map sensor on this car and its bolted on the intake manifold! its diffrent than the regular gm (ac delco) map sensor . my question is how can I change to...

Please help me in this, I just cant get this:crazy: , how can I relate a MAF (lb/min) or map (kpa) load points from my scanner to the cylinder airmass in the fuel and spark tables?? like suppose your...

Hii everyone , I got the vcm for my 2006 Tahoe (wich has a custom GT35r turbo kit) put have some qustion about the vcm and the car (even though I read all the info on the help :banghead: ):

1)...