While your vehicle is off, change out the front oxygen sensors of the exhaust system with the back pressure gauge.

How to unplug a catalytic converter. Step 4 —clean the catalytic converter. Unclogging the catalytic converter drive your car until there are about 15 liters of gas in it. If your converter is not terribly clogged, this method should.

Then do a reading of the converter again. When the converter overheats, it may melt, come apart inside. A clogged catalytic converter essentially suffocates the engine,.

Clear the obd code and let it calibrate. These issues could indicate a clogged catalytic converter, restricting the flow of exhaust out of the engine. In many cases, the catalytic converter overheats and fails as a result of an engine misfire or fuel delivery problem.

Next, locate the converter under the vehicle. Cleaning the cat converter can be another effective way to unclog the cat converter, but there are two ways to. Start by disconnecting the negative battery terminal to prevent any accidental sparks.

Clear the obd code and let it calibrate. Then do a reading of the converter again. The engine should not overheat.

Reinstall the catalytic converter after it. Next is to jack up the car and leave it suspended with jack stands. Turn your vehicle on and check the back pressure gauge.