P0420 off LC200

P0420 off LC200

Code P0420 Definition

Catalyst system efficiency below threshold (Bank 1)

The function of the catalytic converter is to break down harmful pollutants created by the vehicle during the combustion cycle. The exhaust is converted into less harmful gases. Error code P0420 indicates that the catalytic converter is not functioning properly, therefore increasing the output of harmful pollutants by the vehicle.

Also Read:

P-0087 FUEL PRESSURE LOW

P0420 Toyota Prius Trouble Code

Check Engine Light turned ON Lack of power Poor fuel average Sulfur smell

While P0420 does not pose a danger to the driver, it causes drivability concerns such as a lack of power or poor acceleration. It can also cause severe damage to other components of your vehicle if not addressed on time. It is recommended that you fix P0420 as soon as possible to keep the cost of the repair to a minimum. We are fully equipped to handle all emission control PID or DTC,s professionally without any CEL.

Sometimes, this code can be a bit tricky to diagnose. Some people think that they have fixed the fault and then 100 km later, the light pops up again.

Let us know if that is the case and we will rectify it for you at a minimal cost.

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