Does anyone have a list of these codes. Car was sputtering around 50/80km an hour. I plugged in the reader and pulled 8 codes....
B1440
P0404
B2712
P0440
B2958
B2964
B3128
B3133
Hopefully she's not ready to blow up!! LOL I know some of them are due to the fact I had to unhook the Onstar..

Any help would be appreciated!!

 

P0404 -EGR Flow CKT Range/Preformance
P0440 - EVAP Emission Control System Malfunction

I don't know what the B's are. I think they are in my Haynes Manual but it's hiding right now. If I find it, I'll let you know.

 

Thanks for the info... I think the some of the B codes are due to the fact I had to unhook the Onstar...