If you ever replace the MAF sensor on a 2007-2012 Sentra, use a genuine Nissan sensor 22680-7S000. I replaced my original 250,000 mile, 12 year old sensor with a new Delphi AF10141 sensor and it threw a P0171 lean condition code. Delphi sensor was $90+, which did not work, and the genuine Nissan was $210+ and worked perfectly!

Thank you for this. My hose to the throttle body had a huge tear in it, surely that was the problem!

Thanks for explaining step by step

Wonder it might be possible to pressurize the air intake to find an air leak. 😮

Thanks man! just checked the hose and it was just like that haha

Well I'll be a monkey's uncle!😂 Just checked the hose and sure enough it was a huge hole! Thank you tremendously for posting this!

Thank you.

*Like !!!* saludos desde Sonora México 👍🔩🔧

Did it pass after replacing the hose or did You restart the ecu battery etc.

Too bad in the real world, it's never ever this easy with P0171 code. only on youtube 99% of fixes are busted tube. Ha Aha