Quote Originally Posted by RedHeartbeat View Post
you need a tune in the worst way. You're pulling 15.1 on fuel and its needing to probably pull even more. It should be about 5 max. RH 02 sensor is bad, too. Replace it first before attempting a tune.
I will look into something like HP tuner or ? Would this effect my flashing or cause it to be reflashed? While I did the full rebuild of my LC, I know very little about the engines. Thanks so much for the info on the tuning. I will research them a little and may have quetions.

For the other - Here is the link to the software I bought. It is read only to your ECM.
OBDII Diagnostic ScanTools and code-readers