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Need help with P0410 code in c230k

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Old Mar 18, 2011 | 09:11 PM
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c230k
Need help with P0410 code in c230k

Hi all -
My check engine light is on, and when tested code P0410 (secondary air injection) comes up. I have read many threads throughout the forum about this code, and have tried everything suggested - the check valve is good, the switchover valve is good, the shut-off valve is good, and all the hoses are fine . I even changed out the spark plugs as someone suggested in one of the threads.
The car is not making any strange noises or acting strangely at all, but the check engine light is still on.
Does anyone have any other suggestions?
Thanks in advance - I appreciate any and all ideas!
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Old Mar 18, 2011 | 09:15 PM
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c230k
additional info

Sorry I forgot some info -
The car is a c230k coupe 2002, with about 115K miles.
Thanks again!
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Old Mar 25, 2011 | 01:33 AM
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1987 190E 2.3
That code is always a beotch. Usually fixed after replacing most of the secondary air valves. Usually poor seal on one of the check valves.
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