i have a new gm 8L90 and a new BP automotive engine management system. I tried a fast learn procedure but failed because of a PO77C and a PO7BF code...
I'm going to be moving soon so I am not planning on taking it back apart immediately. I am going to keep poking around some easier stuff to make sure...
I suspected it was the sensors, so about an hour ago I replaced both of them. Took it for another drive, and actually got them reading and in Closed...
Must be a cognitive decline on my side - I meant Power Enrichment, don't know why I wrote Speed Density. With the current setup, the car goes into PD...
Thanks, that's what my next stop will be. But until 2 months from now I can't do live tuning - I had my back surgery on Tuesday and will be tied to a...
Hello guys i need your Help My car has a lot KR i don't know what the problem is.
Car has approx 45k miles and has H/C/I and Tune from katech i dont...