2010 Corvette P0101 P0107 P0122 P0223 for no reason?

Hi guys,
after installing new engine, i have strange problem, whenever i do DTC check those 4 errors always pop up. I do not have to start the engine even, they always there even if i clear them.
They weird part is that maf, map sensors are all good and those errors can not been seen with other scanning tool.
Just hptuners sees them.
Any idea how they appear over there, what to check?
Thanks

http://i927.photobucket.com/albums/a...psxaxzws53.jpg

If it says permanent, it just means it tripped at some point in time. They eventually go away after a certain number of cycles without a problem. They aren't active codes.

Quote:

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Originally Posted by DSteck

If it says permanent, it just means it tripped at some point in time. They eventually go away after a certain number of cycles without a problem. They aren't active codes.

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Thanks!

I have the same thing happening after a new engine has been fitted except cylinders 2 & 7 are not firing either. Could it all be related?