comments:
LePeeper posted on r/3rdgen4runner1w
I had both of these codes on my 2001 SR5. In my case, it was the gas cap, and a dirty/old mass airflow sensor, just behind the air intake. It takes a wrench and screwdriver to remove it, but better than spending money on cleaner when you need to get to it anyway. 🤷♂️ https://a.co/d/07RdWrsP