Yes codes indicate the probe after catalyst does not work -P0136 specific probe sends no signal to the ECU and the P0141 probe indicates that resistance is not heated, and it memorizes ECU error codes and the MIL lamp ignition, but you can check the probe resistance jack unplugged (2 wires white) with 200 ohm ohmmeter scale should indicate 8 to 14 ohms probe depends Bosch NGK etc .. if you indicate 0 ohms or greater than 30 ohms probe is damaged, they have the ignition without starting the engine measure voltage at least 11V, the gray hair, the other 2 threads black is the signal probe to ECU and the wheat is the signal table probe, the black wire to the jacks connected and the engine running should indicate the meter 02-08v mv scale if 045v-055v non-variable value means that the probe does not send the signal and sends ECU 045v benchmark engine, you can check me not to have wires pierced, pinched, oxidised, jacks s probe have to have holes in the exhaust manifold and draw false air.
