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2013 rav4 o2 sensor. Find aftermarket and OEM parts online or at a local store near you. 2 Rav4. Order Online or Call 866-596 When your O2 sensor is going bad, your ECM can’t probably adjust the mixture. Order Toyota RAV4 Oxygen sensor socket & Toyota RAV4 O2 sensor socket Code P0138 2013 Toyota RAV4 Description The P0138 diagnostic trouble code (DTC) for a 2013 Toyota RAV4 indicates a problem with the Oxygen Sensor Circuit High Voltage Bank 1 Sensor 2. Replacing upstream O2 sensor. Explore Toyota RAV4 Oxygen Sensor Replacement Cost. The Oxygen (O2) sensors help monitor the emissions system in your vehicle. On the 4-cylinder engine, both O2 sensors are on bank one: bank one, sensor 1, which is the air-fuel ratio sensor located before the catalytic converter. They measure the amount of oxygen passing through the exhaust, which informs the computer about proper fuel/air mixture It is possible to diagnose the P0137 with a multimeter. Error Codes P0138 and P0607. myz, quv, zgx, xfk, owg, fir, erm, lpu, kzq, giu, rua, kyq, sic, fyl, cfb,