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View Full Version : Need P0420 Off from Honda Ecu



yasi349
11th February, 2019, 02:18 PM
Hello everyone,
i have honda CRZ read its ecu succuessfully now need P0420 Off from ecu file as after changing exhaust it didnt leaving P0420 off so need to off it from ecu permanently any expert here who can do it for me. picture of ecu and file is attached.

thanks and regards