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ahanson
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My 911 has a major issue with its Secondary Air Injector . My mechanics inform me,... The car has a check engine light on, We checked the code & found that the secondary air injection system is inop. The ports in the head & cam boxes get clogged & the only way to repair this problem is to dissamble the engine, replace the valve guides & clean the passages in the heads & cam boxes. Until this is done the Check Engine Light will continue to come on & the car will not pass inspection.The total repair runs $5,000 to $6,000 depending on how much work the machine shop has to do. Does this seem plausible for an emissions issue? Other posts on your site detail this problem but do not suggest this remedy. Thanks for your help. The car is a 1997 Porsche 996 Carrera Coupe, with a 6 speed.