Dtc P0421 Mazda. Codigo P0421 Mazda 3 The code is P0421, warm up catalytic converter, bank 1, bank 1 efficiency below threshold MazdaP0421 Mazda DTC P0421 Make: Mazda Code: P0421 Definition: Warm-up Catalyst Efficiency Below Normal (Bank 1) Description: Vehicle driven at a speed of 24-60 mph at 1000-3000 rpm with the calculated engine load from 22-45% for 2-3 minutes, and the PCM detected the inversion ratio of the rear HO2S was close to the inversion ratio of the front HO2S during the Catalyst Monitor t
Codigo P0421 Mazda 3 from mechanicwilliam77.z13.web.core.windows.net
Check Engine Light On With DTC P0421 - 2014-2016 Mazda CHECK ENGINE LIGHT ON WITH DTC P0421 Then again, maybe I've just invented another automotive myth.
Codigo P0421 Mazda 3
It's generic, which means it has the same definition for the Mazda 6 as it would any other vehicle What are the common symptoms of OBDII code P0421 in a Mazda related to the Warm Up Catalyst System Right Efficiency Below Threshold? - Common symptoms include the illumination of the Check Engine light on the dashboard, reduced fuel efficiency, and potential lack of power during acceleration Although the trouble code P0421 is related to your vehicle's catalytic converter, it does not always mean that the converter is faulty
P0421 Code Warm Up Catalyst Efficiency Below Threshold (Bank 1) In. MazdaP0421 Mazda DTC P0421 Make: Mazda Code: P0421 Definition: Warm-up Catalyst Efficiency Below Normal (Bank 1) Description: Vehicle driven at a speed of 24-60 mph at 1000-3000 rpm with the calculated engine load from 22-45% for 2-3 minutes, and the PCM detected the inversion ratio of the rear HO2S was close to the inversion ratio of the front HO2S during the Catalyst Monitor t The P0421 fault code is triggered by the Engine Control Module (ECM) when it detects that the rear HO2S (Heated Oxygen Sensor) value is getting closer to the value of the front HO2S
P0421 Mazda 6 Forums. How to Fix the DTC P0421 Mazda? Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors The code is P0421, warm up catalytic converter, bank 1, bank 1 efficiency below threshold