I've been having problems with the 02 sensors for about 4 months now changed all 4 02 sensors and been still receiving codes for 02 senors checked for vacuum leaks and found none so my only guess is that i need a retune cause my car has noyt been right since the dealer replaced my rear end a couple of months ago. I thinking about getting the wait4me tuner from jesse. What do you guys think?
Wow!! Rich codes...... Hmmmm I'd have them check the wiring resistance to the O2 sensors to make sure they are good and then flash it again. That means you are over -15 LTFT's to set those P0175 & P0172 codes, so who knows where your fuel trims really are. Are you blowing any Black smoke?
Nope no black smoke just doesn't feel right any more shofts kinda hard and the idle jumps when i come to a stop. The place where i tuned it only tuned 3 v cars so far so i don't know if it's the tune or what.