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I did see this procedure and performed all the steps. The rear 02 sensors are not crossed and they will set a code if left unplugged. Thanks for the reply

Hello,
I have a 2004 C5 Z06 Corvette catalyst monitor is not wanting to complete. Tune is perfect, front and rear 02 sensors are new, both cats have been replaced with CA legal replacement cats. The...

Anybody have trouble getting a GMPP crate engine ECU to read. I can see the vin in the VCM info but the button is not active. The ECU will connect in the scanner. I already licensed the ECU once and...

Thanks again

Thanks! Is there a link for the beta copy.

I'm tuning a GMPP LS3 crate engine in an offroad truck. The MAF sensor has been removed so I'm trying to tune in speed density mode. Here is my question, where in the heck is the primary VE vs. RPM...

Correction on the Version 2.24.1166---------oops!!!!
Steve

Hi Bill,
Sorry was on vacation.
Compaq laptop, windows 7 64bit, 4m ram. hptuners software version 1.24.1166.

Scanner has worked great on all other GM applications. Have only had the problem...

I'm trying to scan a GMPP generic LS3 ECM. I can read and write to the ECM at a normal speed. While trying to scan, when I connect and start scan the scanner moves very slowly and then locks up....