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Will My Check Engine Light Come On If I Remove My Catalytic Converter?
Thirdly, removing the catalytic converter may trigger a fault code which will illuminate the check engine light (assuming you have one). You can get around this by fitting a spacer on the downstream lambda (O2) sensor.
HOW TO KEEP YOUR CHECK ENGINE LIGHT OFF WHEN REMOVING CATALYTIC CONVERTER
This is for all
how to remove check engine after removing catalytic converter simple
have a drill bit and drills a big enough to fit
How to keep the check engine off when removing catalytic converter
In this video I how you haw to fool