secondary air injection system on 2003 Cadillac DeVille

How can you troubleshoot which part is malfunctioning? Erroe code is PO410

by in Turlock, CA on March 03, 2010
1 answer 1 comment
ANSWER by on March 03, 2010
Perhaps a google search "Cadillac P0410" , a search of on line Cadillac forums, or Autozone have some popular workshop manuals for free on line once you register (for free) on their website .There is a company that independent auto repair shops "buy" their information from that offer a very reasonable service to do it yourselvers. You get a one year subscription to year make and model specific repair procedures, service bulletins, component locations, wiring diagrams ect.... great quality information same as the professionals have ,much better than generic workshop manuals from parts stores, much cheaper than the factory manual. or try and get an online repair manual subscription.
COMMENT by on January 25, 2011
Can you look in your Haynes manual and tell me what the code PO419 relates to. I believe it is the secondary air injection code. My check engine light is on, and I have replaced the airflow sensor. It's a 2005 Chrysler Sebring. I do smell antifreeze, which indicates Heater core issue. I don't know what to replace?
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