How To Clean A Catalytic Converter?

Do you want your car to be at its best performance? Well, the best way to get there is to maintain its high engine performance.

How? You will need your catalytic converter up and working. But what if your catalytic converter is dirty. You’d probably end up asking how to clean a catalytic converter?

Well, don’t worry too much since we are here to help you. To maintain the converter to function well, you need to make sure that every part of it is crystal clean. Its job is to convert toxic or dangerous gases and pollutants in exhaust to less dangerous gases.

Your safety is our main concern, so always make sure your vehicle is releasing the safe gas as you drive. Clogged converter may sometimes cause harmful emissions. It is dangerous to you and to the people around the driving areas.

To keep your converter always on the go, we will give you two techniques with its essential steps on how you can fix it without the help of car technicians, you can do it on your own with these simple steps..

1. Removing The Catalytic Converter Itself

Things you’ll need: 

The first technique you are about to read is removing the Catalytic Converter itself. This technique is probably most people will hesitate to try, because you have to detach the converter from your car, which is considered time-consuming by many.

It’s never a time waste, for this technique has increased possibility to work compared to our technique number two, which you will just about to read.

Step 1: Safety First

Before even thinking of removing the Catalytic converter out of your car, be sure you have protective eye wear to enhance your safety in handling the future step we are about to tackle. Now the first thing you need to make sure that your car is on a surface that is flat and hard.

The next thing, you have to do is to carefully lift up the hood of the car and secure its position by using the prop rod. Make sure that it can hold your car’s hood firmly. Don’t forget to put protective eye wear.

Step 2: Removing the Catalytic Converter

You’ve got a wrench? Good, for you’re going to need that to remove the bolts that locks the converter into its position.

After removing all the bolts, make sure you have a safe container to place them in, because you are going to need them again.

Finally, just gently remove the catalytic converter from your exhaust system, and voila! You’re all set, you can now proceed to step 3.

Step 3: Checking the Converter

Once, you’ve got the converter on the tip of your fingers. Carefully, examine if it has damage. Check thoroughly before replacing it with a new one.

You can shake the catalytic converter to check for any noise. Check out the high flow honeycomb catalyst, and see if there is dirt within those little spots.

Step 4: Cleaning the Converter

The only reason why your catalytic converter is low, is because there’s dirt that are clogging it, or it just needs to be replaced.

Well, before taking out a grand off your card, stand still and follow these steps, who knows? You might just ending saving your grand to buy more important things.

Now will ask you to carefully wipe away any residue from the honeycomb of the converter by means of using any cloth.

If it’s that hard to remove, it’s time for you to use the power washer to force the debris off it. Make sure you get into the outlet and inlet pipes.

If the dirt is still present, you may use a detergent powder or mixture of degreaser and hot water, then soak it. Leave it for a day or for long hours, and check on it if it was thoroughly cleaned now.

Step 5: Allowing the Converter to Dry

You can’t just place your catalytic converter back into your car when it’s wet, so make sure you find time to let it dry completely.

Check and inspect thoroughly if it’s properly cleaned, if it is then you may now position the catalytic converter back into your car’s system.

Remember the safe container you put your bolts in? Just simply reach out to it and reinsert them back in place. Then, you’re all set! Check out on it, and your car will be running smoothly in no time.

There you have it, the first technique. This is considered to be time-consuming and plainly can give you a little pain in the neck, but we highly suggest this technique, since it is guaranteed to work compared to other techniques.

So, if ever you feel like you don’t want to do this technique, then you might as well continue reading and check out our technique number two, if it suits you any better.

2. Do it with a Reliable Cleaner

Here’s an easy and instant way of tuning back your car to running normal. You’ll only need a cleaner that has a renowned brand on it, and then you’re up to go. If you have checked that your catalytic converter has Inefficiency Code P0420, then you must go with this step.

Who knows? This step might be the perfect solution your car will ever needing.

Things you’ll need

Reliable cleaner, that’s it.

Step 1: Buy Yourself a Reliable Cleaner

The first thing you’ll have to ensure is that you are purchasing the right cleaner for this technique.

Go over the website and look for the best cleaner you can find. We recommend you to go for renowned and top rated cleaners, then you will have a higher chance of guaranteed results. You can try the catacleaner for example.

Let’s get your exhaust system up and running. Choose the most reliable cleaner you can find.

Well, if you find it tough enough to find a good one, we suggest catacleaner, it does not only clean your catalytic converter, but reduces the build-up of carbon and promotes cleanliness on your car’s oxygen sensors.

These are extremely important so you can have your car can function at its maximum power production. You don’t want your car stalling when you drive, so finding the best cleaner will do you a lot of favor.

Step 2: Filling the Cleaner in

Now, the second step is basically filling the cleaner in the gas tank. Before doing this make sure that your gas tank is half full.

This is for the reason that every liquid you put in the gas tank goes into the catalytic converter. With the help of the cleaner, it will wash off all the dirt and even debris out of your engine.

Though this may not work 100%, but it’s totally worth a shot. Follow step two and follow the instructions on the amount of liters you should fill in your gas tank. This is one of the reasons why other people fail, it’s because they fail to follow the cleaner’s instructions.

Step 3: Run the Cleaner through

Seems a little easy, right? If it’s not challenging at all then come along and read the last step. In this step, you have to run your car over 120 miles per hour or speed up a little bit, so that it can burn the impurities in the catalytic converter and gives way in to work again.

This is the most challenging part of technique number two. You have to run your car like it’s chasing something. Maybe you can do this on oval places, in there it’s a lot safer. Do this for about 30 minutes, and then you’re done.

Just simply use a scanning device to check its inefficient level. If it’s working again, then great! You don’t have to do technique number one.


So, here you go these are the two techniques you can choose from when you have inefficiency issues with your catalytic converter. If you want to go for the guaranteed solution, then we highly suggest for you to go and try out the technique number one.

If ever you are told you need a brand new catalytic converter and the scan tool keeps informing you, you have an efficiency Code P0420.

Before deciding buying that expensive part, you might as well make sure you have tried all these techniques that could be just saving you a lot of dime.

If it’s never your thing to go through a lot of hard work in getting the catalytic converter and wants to solve it the fastest and easiest way then we suggest you go and try out technique number two.

Keep in mind that If the ceramic material inside is melted, then you have no choice but to change it.

Avoid spending a grand to purchase a new one, let these techniques, solve your $1000 problem today. It’s easy. Anyone can do it, so gear up!

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