was wondering if anyone has fix the p1274 & p1283 codes from popping up. please help

 

try this. Good luck.

http://www.my350z.com/forum/forced-i...1283-p302.html

 

Hey sky did you have the same problem?

 

Uprev does the trick, the ecu can be programmed to ignore the codes. Though they're Nissan codes they're generic in nature to the problem that's causing the CEL to trip. The extensive diagnostics I had done on the codes showed bank 6 was running lean so to compensate 10% more fuel was fed to that bank. No matter what the guys at the speedshop tried nothing worked until Uprev. By coincidence this is the same bank that suffers from the leaking valve cover seal. I wonder if this has something to do with it?