Why do I get error codes on my catalytic converter?
There are a number of reasons you may be seeing these error codes, but often times, the first place is to gravitate to the Catalytic Converter itself. Depending on the make and model of your vehicle, your catalytic converter should last at least 10 years, but numerous issues could reduce the lifespan.
What is the P0420 error code for catalytic converter?
Error code P0420 – or Catalyst System Efficiency Below Threshold (Bank 1) – is one of several trouble codes that fall into the general exhaust system code block. All P042X codes (where “X” can be any number) refer to the catalytic converter and exhaust system.
Is it possible to damage a catalytic converter?
Yes, it can, but not in the way you think. Rich or lean mixtures can damage the catalytic converter, and when the catalytic converter is damaged/filled with fuel, the efficiency will be low, and the rear O2 sensor will see that and trigger the code Po420.
What to do when your Catalyst Code comes back on?
The problem is, the code will come back as soon as your car’s primary computer runs its system self-tests. To get the code to go off and stay off, you’ll need to fix the underlying problem that triggered the code in the first place, then clear the code with a scan tool or code reader.
What is the trouble code for catalyst system efficiency?
P0420 OBD-II Trouble Code: Catalyst System Efficiency Below Threshold (Bank 1) Cost of diagnosing the P0420 code. P0420 is a diagnostic trouble code (DTC) for “Catalyst System Efficiency Below Threshold (Bank 1)”.
What causes a catalytic converter to have a trouble code?
Problems with the ignition system, fuel system, air intake, and misfires can damage a catalytic converter if they are not addressed quickly. These components are most the common causes of the P0420 trouble code.
Error code P0420 – or Catalyst System Efficiency Below Threshold (Bank 1) – is one of several trouble codes that fall into the general exhaust system code block. All P042X codes (where “X” can be any number) refer to the catalytic converter and exhaust system.
The problem is, the code will come back as soon as your car’s primary computer runs its system self-tests. To get the code to go off and stay off, you’ll need to fix the underlying problem that triggered the code in the first place, then clear the code with a scan tool or code reader.