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This O2 CEL fixing device actually contains an internal micro-catalytic converter that helps resolve this issue by checking the engine’s light, even after changing its exhaust or removing the catalytic converter—sometimes even when installing a high-capacity catalytic converter.
Don’t just seize the opportunity because it often fails to work; this is actually a true miniature catalytic converter integrated into it.

The fixed O2 CEL for these small cats will cause your ECU to believe that the catalyst converter is not yet installed. When the catalyst converter is removed, the O2 sensor will detect an increase in temperature and a higher flow of unburned fuel.

Weight: 72G
Thread: M18×1.5
Color: Silver
Material: Metal

Package Contents:
1.∗Oxygen sensor
Only the contents of the previous package are included; other items are not.

Note: The lighting in the photos and different screens may cause slight variations in the colors of the text in the image. The allowable measurement error is +/-1–3 centimeters.