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Did you re-poll for supported parameters after you connected to the vehicle?

Something must be off when you are VE tuning. You have larger injector and your values in the VE table are still over 100 which shouldn't happen. It should really never go over 100 on a NA engine...

Doesn't look like you copied over that VE right.

Copy over the matching rows, like 30,40,50 etc etc from the stock VE. Then put like 115 in the last row and interpolate between vertical bounds and...

Stock, modded, what are you working with??

Add knock retard, burst knock and injector information to the logs as well. If it's a modded engine you need a wideband oxygen sensor for tuning.

Pick the MAF or the VE to start with, it doesn't really matter so long as you isolate them from each other. Like have the MAF failed for VE tuning and setting it to run on MAF only for MAF tuning....

I would start over. Go to the website of the people that sell your tires and see if they list the true rolling diameter of those tires so you can plug that into the gear tire wizard. Then have it...

If you are really going up to 6,200rpm then there is a problem. The calibration file you posted has the fuel cut off at 5,800rpm and the full throttle shift rpm at 5,900rpm.

Are you really running...

Can you get a log file of the problem so you can post it here? You'd need to make sure the log has a decent amount of data to help. So like all the standard channels to watch and things like knock...

Are you sure the o2 sensors are not crossed in the harness?

One bank is full lean and the other is full rich, that usually happens when the harness is routed wrong.

Did you try 2hz/1hz for the high/low fails as well as setting the counts to a lower number and setting the two "time" related ones to zero.

It's pretty rich, the fuel trims are removing a lot of fuel. Double check your fuel pressure too, make sure it's not pushing over 58psi.

But with a camshaft and intake swap it will need a decent...

Ah I see. I also think that is part of your problem. A write entire with HP Tuners does not cover all segments within the calibration. So if say it was for a truck or something, flashing it with HP...

I kinda figured as much, I wouldn't do that. If something between those two computers doesn't jive, then it's possible that is why you are getting the P0606 code.

If possible I would write entire...

Did you write your old file back into that new computer?

If so, I wouldn't have done that. I would have made a whole new tune with the file pulled from that computer. Nothing some copy/paste...

It won't. You still have to be able to read and license the computer first before doing anything.

His options are to try and overwrite the computer with the GM tool to his VIN or buy a new...

You can just put the cats in and keep everything else the same.

Seems okay.

It might have a little knock going on but you aren't logging knock retard, so I would add that to your logs. Also without a wideband oxygen sensor it's tough to say how close the...

You only got two options. The MPVI2 or the MPVI2+, the MPVI2+ has more features that you can read up on. It would make sense to use that if you tune lots of vehicles, need a wideband oxygen sensor on...

No.

You have to be able to read and license the file on the computer to change anything. He has a paper weight on his hands, would come in handy if he does like accounting for a living. He'll need...

Doesn't look like his injector data is right either. A few of the tables are nearly the same to a regular LS1 tune I have. His flow rate says 59lb/hr but the other tables are stock still.

If he...

What's your plug gap?


Makes me wonder why your tuner never suggested a 2 or 3 bar MAP sensor, you can't even log/watch the boost pressure in this vehicle. The commanded fueling is very very rich...

If you're the guy paying both of these people, I see no reason why he should be hesitant to show the tune. It's your money that is being spent here.

Did you use the converter box for the crank trigger?

Did you also drill and tap the block for the knock sensors?


At minimum you need to update the cylinder volume. Input the new injector data...

Those really heavy wheels/tires will slow you down, it takes a lot of power just to get those moving.

One bank is far leaner than the other and both are still off of the commanded AFR. One bank it...

Do all the basic AFM/DoD changes to the calibration, flash it and see what it does.