P0136
NOTE: The diagnostic trouble code "P0136/16520" is set, 123 sec after engine start, as soon as the signal voltage during a deceleration fuel shut off is greater than 300 mV at a coolant temperature over 80°C (176°F) and 45 sec behind the probe heating after the Three Way Catalytic Converter (TWC) is switched on. The length of the deceleration fuel shut off must be longer than 4 sec.