Did you look up the code to see what other problems might be? It's probably more than just the O2 sensor, but something cause it to get fouled up.
A 350Z owner mentioned replacing a MAF and O2 sensor.
Quote:
"AF sensor 11 range/performance problem"
Probable causes:
1 - Excessive rich or lean condition
2 - Exhaust leak near sensor
3 - Failed AF sensor
|
Quote:
Air fuel ratio (A/F) sensor 1
Air fuel ratio (A/F) sensor 1 heater
Fuel pressure
Fuel injector
Intake air leaks
|