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Hi All,

I can?t find any details to say that HPT does, but does the HPT work on the HFV6 LP9 A28NET found in the insignia VRX/OPC & Buick Regal GS?

Looks like there is support for all the...

Should also say I have closed loop disabled. So in theory they shouldn’t be effecting the tune?

So I found the o2 circuit wasn’t powered, so I’ve added ignition power but the o2 numbers basically look the same. Have a fired the sensors?

Here’s a video if the log running after repowering the...

Fuel is a walbro 255 through a corvette filter regulator so should be 59ish from memory.

O2 sensors are new, could it be the sensors or the wiring? this is a conversation, but I did not adjust...

Hi All,

Newbe, but have been doing research. I'm struggling with my tune, I think it is due to the ECU commanding a really rich AFR - if I override the commanded AFR to 14.68 it idles and runs....

I hear you, thats why I'll probably solder on without it. At the moment I am struggling to get it to idle nicely with all the new additions at once - cam, porting, long tube headers, larger mafless...

So basically they same as buying another stock PCM, unlocking that and then doing the OS update. Bugger.

I was hoping there was a way to change the OS on my current PCM without bricking or more...

Hi,

Just found out about Rrt, obviously want it! But the tune in my PCM doesn?t have it, nor do I have the option to upgrade the OS to get it.

Question is, I have a stock tune for the same car...

Thanks for the ideas. Only had about 1.5 hours to tweak today so didn't get to far. IAT is seperate, so i have that in the intake pipe. If I can, I have a couple of questions:

Turn off dynamic air...

Hi All,

Just starting with HP Tuners, so still working through the mountain of information available. However I wanted to check with the brains trust, which tune I should start with?

The...