Truck ran FLAWLESSLY for 6 months with edge chip. no codes. i only run on level 1 or 2. Of course 3 rail sensors went so i changed them and no longer run the quad rail gauge (as it was culprit). Took it to dealer for that $1400 oil leak fix because they had to pull rad and air to air etc...Then truck has 4 codes now P0088,P0113,P0193,P0237. I changed rail sensor again and now it runs but check engine light wont go out. I unhooked both ground cables over noght. I cycled key 80 times. Light still on. Truck runs fine (actually better than ever) but light wont go out. Whats up?

 

i guess ill dielectric grease MAP sensor better?

 

any1? does my dealer have a clue what they r doing?

 

cycling the key just won't cut it. a cycle is starting the rig, driving a few miles and sutting it off.

 

Go to autozone, advance auto, or a COMPETANT dealer and they will clear the codes. When I put a MP8 that was AFU on my truck and it set codes and put me into limp mode, autozone cleared it for me...