A defective or faulty catalytic converter will trigger the check engine light, preventing you from passing the inspection test. To get out of this mess, you need to apply a catalytic converter cleaner, often known as a cat cleaner.
By using a cat cleaner you are going to have the cheapest solution to the check engine light issue. This will let you pass the inspection test without any additional equipment or expensive service as well.
The catalytic cleaner should be applied accordingly. It takes only half an hour for the catalytic cleaner to start working. You need to drive the vehicle to get the cleaner to start working. This will clean both the exhaust system and the fuel system as well.

How Do You Use A Catalytic Converter Cleaner?
The catalytic converter cleaner is a liquid solution that needs to be poured into the fuel tank. The cleaner helps the exhaust emit toxic elements and removes the excess carbon build-ups.
Now you know about a solution to pass the inspection with a bad catalytic converter, let’s have a look at the detailed usage of the catalytic converter cleaner.
Process of Using Catalytic Converter Cleaner
Don’t worry if you are trying to clean your cat converter on your own. It’s pretty simple to fix the faculty converter with some simple steps. Follow the below steps to encounter this common vehicle problem:-
1. Get a Catalytic Converter Cleaner
First, get a quality catalytic converter cleaner. Make sure the product is compatible with your vehicle. There are cleaners available for both diesel and gasoline engines.
2. Pour it into the Tank
Once you have the cat converter cleaner in your hand, read the instructions carefully.
Make sure you’re not missing anything. Pour the liquid directly into the fuel tank. You can also use a sprayer to get the liquid into the tank with better pressure. There will be an instruction on how much cleaner you should pour into the tank. Follow the instructions to get a sufficient amount of liquid into the tank.
3. Drive the Vehicle
Once you pour the liquid into the tank, you need to drive the vehicle to let the cleaner start working. To check if the liquid is working or not, you may check the engine light.
Will My Car Pass Inspection With A Crack In Catalytic Converter?
If the catalytic converter is cracked but still working fine, it will pass the inspection test. A faulty cracked converter will turn the engine light on and this won’t let you pass the test. You should replace the catalytic converter otherwise you need to face a lot of trouble.
A damaged converter will exceed the air pollution that will violate the EPA laws. In addition, having a cracked cat converter will turn the Malfunction Indicator Light of the car. You won’t be able to pass any test if you have this light turned on. You will also get less mileage with a bad cat converter.
So, a cracked or damaged converter won’t let you pass the inspection test in any US state. It’s one of the most important pieces of equipment during an inspection. A damaged cat converter also turns on the engine light. This will be a problem to pass the inspection test.
Will The Check Engine Light Come On If the Catalytic Converter Fails the Inspection?
Yes, the check engine is the indicator that helps to figure out the condition of the catalytic converter. The check engine light signals a serious problem with the vehicle. You should not drive a car if the check engine light is on. Before any inspection test, diagnose the vehicle by a professional car expert.
Conclusion
A faulty or broken catalytic converter will prevent you from passing the inspection test. So, use a catalytic converter cleaner to encounter the problem.
The procedure won’t take much time and will produce an excellent result as well.
Read the instructions or the manual of the cleaner before purchase to check if the product is compatible with your vehicle’s exhaust system.