P0420 - P1420 Catalytic Converter Error Light Problem

If your engine light is on because you removed the catalytic converter or it is old or damaged, the malfunction light will certainly come on due to an inefficient catalytic converter located in the exhaust, but this problem could be solved with our mini catalytic converter.

The problem is certainly linked to an inefficiency of the lambda probe or the catalytic converter, which, after several attempts to verify that the carburetion remains within the target values set by the manufacturer, not seeing them respected within the permitted time causes the warning light to come on.

To solve the problem of removing the warning light, the most drastic solution is to replace both the catalytic converter and the lambda sensors, which is very expensive.

Our suggested solution instead is to install our Minikat, which is nothing more than a small catalyst and allows you to try to turn off and resolve this error as it increases the catalytic converter right in the vicinity of what measures it, i.e. the lambda probe sensor.

It must be added that for vehicles that also run on gas, such as the Fiat Punto 188 Panda Fire engines etc. our Mini catalyst is truly a godsend, as it allows 99% of the time to turn off the catalytic converter efficiency error and eliminate the engine failure warning light permanently. When running on gas, where this error is usually more likely to appear, sometimes it goes off by itself and then comes back.

If you purchase our mini catalytic converter shown below, you can instead have a definitive resolution of the warning light problem with a complete reset.