check engen light on code po412 secndary

01-06-2006, 01:46 PM

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check engen light on code po412 secndary

air injection systen valvea maifunction. what is the secondary air injection vaLvea and where is it and how can i fix it

thanks for any hlep

01-06-2006, 02:08 PM

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Welcome. Is the air pump even coming on during cold starts? First thing I'd check is the AIR PUMP fuse under the hood.