And also, buying a car with an unsolvable check engine light doesn't feel great to me. I was hoping someone here might have had or seen or heard of a similar issue and could provide some insight.
It's a 2009 SR5, 4WD.
From the ad: "Check engine light is on and says o2 sensor is bad, but replaced o2 sensor and CEL came back on."
In talking to them, they also cleaned the MFA and then replaced it.
Here are the codes:
P0171
System Too Lean (Bank 1)
P0174
System Too Lean (Bank 2)
P0138
O2...