What does it mean when your catalytic converter is below threshold?
Catalyst System Efficiency Below Threshold
Code P0420 stands for “Catalyst System Efficiency Below Threshold (Bank 1).” Put simply, this code indicates that your car’s computer has detected underperformance from the Bank 1 catalytic converter. The P0420 Code indicates that your car’s computer has detected underperformance from the Bank 1 catalytic converter.
Can I drive with P0420 code?
Yeah driving on a p0420 won’t hurt anything. Your gas milage might be slightly affected by the computer. But no actual damage will occur. Definitely check the exhaust for leaks and such.
What is Bank 1 and Bank 2 on a car?
Bank 1 and bank 2 simply refer to either side of the engine. Check your owner’s manual or a service manual for a positive location of bank 1 and bank 2. Most commonly, bank 1 houses the front most cylinder on the engine cylinder 1, and bank 2 is the opposite side of the engine.
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.
What does P0420 mean on a Toyota Corolla?
P0420 Code – Toyota. 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. P0420 refers to the catalytic converter or – more specifically -…
Is there a way to clear the P0420 code?
You can clear the P0420 code temporarily with a scan tool or code reader. The problem is, the code will come back as soon as your car’s primary computer runs its system self-tests.
What does the p042x code stand for?
All P042X codes (where “X” can be any number) refer to the catalytic converter and exhaust system. P0420 refers to the catalytic converter or – more specifically – the oxygen (O2) sensors before and after it on the bank 1 side of the exhaust system.