Does Replacing the Three-Way Catalytic Converter Affect the Car?
2 Answers
Replacing the three-way catalytic converter does not affect the car, but it does have some impact on the engine. The reason it affects the engine is that the three-way catalytic converter acts as a purification system for the car, so after replacement, it needs a certain period of running-in with the engine. However, if the running-in is not done properly, it may cause some impact on the engine. Cleaning the Three-Way Catalytic Converter: The cleaning method for the three-way catalytic converter is the "drip bottle" method. This involves connecting a plastic hose to the engine's vacuum solenoid valve and using the air pressure in the hollow tube to draw the cleaning agent from the drip bottle into the engine. As the cleaning agent exits through the exhaust pipe, it cleans the three-way catalytic converter. Lifespan of the Three-Way Catalytic Converter: The lifespan of a three-way catalytic converter is generally between 80,000 to 100,000 kilometers. The specific lifespan depends on the car's usage conditions, and it is also related to the quality of the fuel used and the driving environment.
I just replaced the catalytic converter, and the car feels noticeably smoother. Before, when climbing hills, it always felt like the exhaust was struggling, but now the throttle response is much quicker. However, you must find a reliable shop—my neighbor cheaped out and installed an aftermarket part, which triggered the check engine light within just three months. A good catalytic converter ensures cleaner exhaust and passes the annual emissions test in one go. Proper sealing during installation is crucial; if it's not installed correctly and leaks, you'll hear a puffing sound. Also, it's recommended to run two full tanks of fuel after replacement to let the engine readjust to the new exhaust conditions, ensuring accurate oxygen sensor readings. Never skip replacing the gasket to save effort—it can lead to exhaust leaks, which are harmful to your health.
