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Re: ANY TIPS FOR THESE CODES TROUBLE CODE P1128,PO411
Posted to Technical Discussion Forum on 1/22/2008

clues, this one is too easy for clues Ricardo, there isn't very much to the secondary air injection system.

start the vehicle and see if there is any airflow from the secondary air injection, if your good with a scan tool you can watch the a/f sensors and k... Login to read more.