Catalyst temperature sensor bank 1

This diagnostic trouble code (DTC) is a generic powertrain code, which means it applies to OBD-II equipped vehicles that have a catalyst temperature sensor (Subaru, For Chevy, Jeep, Nissan, Mercedes-Benz, Toyota, Dodge, etc.). Trouble code P04is set when the PCM detects a. P04is a diagnostic trouble code (DTC) for Catalyst Temperature Sensor ( Bank ). This can happen for multiple reasons and a mechanic needs to diagnose . P04is a diagnostic trouble code (DTC) for Catalyst Temperature Sensor High ( Bank ). Jul Nowadays vehicle with emissions control systems use heated oxygen sensors. The purpose of the heating element build into the oxygen . The PCM has detected a catalyst efficiency that is below the normal operating threshold for a specific engine bank.

I did capture some basic live data from the vehicle. It shows when the Coolant temp is around 18 the Catalyst Temperature Bank Sensor runs about 1100F. How to diagnose, repair, and info on causes of a P04engine code which involves the bank sensor catalyst temperature oxygen sensor circuit which is.