Posts Tagged: Toyota P0136 or P0138

Toyota P0136 or P0138

June 18, 2019

Diagnose and fix Toyota P0136 or P0138 Trouble codes P0136 or P013 are a fairly common problem on Toyota. Toyota has issued a service bulletin T-SB-0001-10 to address the P0138, P0158 or P0606 issue. The bulletin applies to the vehicles listed below. NOTE: These vehicles use two different types of sensors; air/fuel ratio and O2 sensor. Everyone calls them both oxygen sensors but they ARE DIFFERENT. An air/fuel ration sensor is installed upstream from the catalytic converter and is used to control air/fuel mixtures. The O2 sensor is installed post … Read More