Blox Racing O2 Cel (Check Engine Light) Eliminator

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Blox Racing O2 CEL simulator allow the use of a test pipe or down pipe without triggering your check engine light caused by your O2 sensor indicating that the catalytic converter is not functioning properly. (after install, must reset ecu to work).

This item will not eliminate O2 CEL CODE because of a malfunction O2 sensor, it will only work on O2 CEL CODE cause by test pipe.