When to set the p0421 engine light code?
The P0421 code is set when PCM has determined that the warm up catalyst efficiency for bank 1 is below threshold for the current engine operating condition. (Bank 1 identifies the location of cylinder #1, while bank 2 identifies the cylinders on the opposite bank)
What does p0421 mean in Powertrain Control Module?
The P0421 code means that the powertrain control module is noticing that the catalyst system is not performing as it should during warm up conditions.
How much does it cost to fix a p0421 Mitsubishi?
If the P0421 code is combined with other codes, try fixing the other codes first. The cost to diagnose the P0421 MITSUBISHI code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
What does p0421 mean on a catalytic converter?
As the code description implies the P0421 code means that the vehicle’s control module has detected that the three-way catalytic converter is not working properly (is not as efficient as the factory is expecting).
The P0421 code means that the powertrain control module is noticing that the catalyst system is not performing as it should during warm up conditions.
What does the p0421 code on Mitsubishi OBDII mean?
P0421 MITSUBISHI Tech Notes As the code description implies the P0421 code means that the vehicle’s control module has detected that the three-way catalytic converter is not working properly (is not as efficient as the factory is expecting).
What is the OBDII code for a Mitsubishi Lancer?
2004 Mitsubishi Lancer 2005 Mitsubishi Lancer 2002−2005 Mitsubishi Lancer Factory Service Recall OBDII Code P0421 What does this mean? Cost of diagnosing the P0421 MITSUBISHI code Labor: 1.0 The cost of diagnosing the P0421 MITSUBISHI code is 1.0 hour of labor.
What causes Mitsubishi OBDII engine light to go off?
P0421 MITSUBISHI Possible Causes. Warm Up Three Way Catalytic converter deterioration or malfunction. Exhaust system leaks. Loose front or rear HO2Ss. Faulty front heater O2 sensor. O2 sensors harness is open or shorted. O2 sensors poor electrical connection.
When does the p0421 Mitsubishi engine light malfunction?
As oxygen storage capacity decreases, the heated oxygen sensor 2 switching frequency will increase. When the frequency ratio of heated oxygen sensors 1 and 2 approaches a specified limit value, the three way catalyst malfunction is diagnosed. Need more information on how to fix the P0421 MITSUBISHI code?
2004 Mitsubishi Lancer 2005 Mitsubishi Lancer 2002−2005 Mitsubishi Lancer Factory Service Recall OBDII Code P0421 What does this mean? Cost of diagnosing the P0421 MITSUBISHI code Labor: 1.0 The cost of diagnosing the P0421 MITSUBISHI code is 1.0 hour of labor.
P0421 MITSUBISHI Possible Causes. Warm Up Three Way Catalytic converter deterioration or malfunction. Exhaust system leaks. Loose front or rear HO2Ss. Faulty front heater O2 sensor. O2 sensors harness is open or shorted. O2 sensors poor electrical connection.