hey fellas quik question i have a 03 350z with the greddy tt setup lately my a/f ratio say my car is running pretty rich. i have the utec fmu what i need to know is if i was to put a new maf sensor in is there a certain procedure i have to do or can i just unplug the old an plug in the new?

i told my mechanic he told me my old maf sensor my be dirty or just old so my friends giving me a new one since he works for nissan. any help is apprreciated thanks

 

Actually there is a procedure that many boosted members have found to be highly effective on similar setups... It's called tuning