O2 Sensor on 2004 Toyota Matrix

Where are the oxygen bank 1 and bank 2 sensors located in a 04 Toyota matrix?

by in Wenatchee, WA on January 22, 2013
1 answer
ANSWER by on January 22, 2013
firewall side of eng according to all data
Related Items:
Fuga detectada en sistema de control de contaminación por evaporación (fuga muy pequeña)necesita cambio de sensor de o2 o problemas del catalizador o canister, que tipo de reparacion debe hacerse
replaced front o2 sensor (CODE WAS FOR A LAZY O2 SENSOR) .Code came back 1 week later.Car has 200k on it and runs fine...
The Check Engine Light may illuminate due to an evaporative emission (EVAP) system fault. Our technicians tell us these EVAP system faults can be difficult to diagnose but it is not uncommon to f...