Guide author
Joanna Kłos
About the author
Joanna Kłos writes for Poradnik Katalizatorów. Her articles cover how catalytic converters and diesel particulate filters work, exhaust systems and preparing parts for a valuation.
Her topics include cold starts, catalytic converter markings, photos for a valuation and the differences between soot and ash in a DPF.
Articles by the author

Lambda sensor - why it is necessary in the car
Lambda probe - an inconspicuous part of the exhaust system, which is talked about a lot less than about catalysts. Owing a bit of mystery, many are not…

Remove or replace the diesel particulate filter?
Diesel particulate filters together with catalytic converters clean up exhaust gases. The filter also called DPF is installed in vehicles equipped with diesel engines. It is one of…

Why does the diesel particulate filter clog?
The diesel particulate filter is one of the parts that makes up the exhaust system. The filters are installed in vehicles equipped with diesel engines to remove soot…

When to cut the cat out?
One of the most searched phrases related to cats is that about when to cut it out. There is nothing wrong about cutting out the cat if you…

How to remove oil from a catalytic converter?
If e.g. your turbocharger has failed and the exhaust system, including the cat, is contaminated with oil it has to be removed from all the parts before running…

Can a catalytic converter be unclogged by running the engine at high RPM?
A clogged catalytic converter translates into a lower engine power, irregular running of the engine and vibrations in idle run. Do such symptoms always indicate the necessity to…

Fines in waste management
To manage your waste it is necessary to get the required licenses to process, collect, store and transport waste. Non-observance of the regulations may result in imprisonment, limitation…

All-purpose catalytic converters
As the price becomes the main driver all-purpose catalytic converters become more and more popular since they are much cheaper than the original parts. Can all-purpose converters really…

When to replace the catalytic converter in my car?
Many people are afraid of the moment when the catalytic converter needs replacement since such an operation involves considerable expenditures due to the price of the converter itself.…

The most valuable components of an exhaust system
Exhaust manifold Exhaust manifold is the „starting point” of the exhaust system as it is attached directly to the engine and, to be exact, the place where the…

Is a clogged catalytic converter a big problem?
What is an exhaust system composed of? An exhaust system is composed of several major parts including exhaust manifold, silencer and exhaust pipe. Currently, all cars are also…

Reconditioning of a “cat”. What is it about?
A defective or worn “cat” is a serious problem for each car owner. What is the best solution? A cat or, in fact a catalytic converter, is the…
