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Hi,

I am new to the forum. I had a P0410 error code. While checking each item in the secondary air injection sub system,
I tried removing the check valves on both sides. It was stuck so hard that when I tried to break it loose,
the stem part that goes into the manifold broke off on both sides.

It almost looks like it has integrated into the block. Any suggestions on how I can remove those pieces so that
I can put in a new one?

Thanks!
 

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2002 Mercedes ML320, Mercedes 190E 2.3L (sold), 2001 Mercedes c320(gone)
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Did you loosen the bolts first?
Your problem may be the air pump or relay/fuse. You can confirm the pump works by unplugging it and testing it with 12volts, if that checks, then try another relay for the air pump and see if it runs, the solenoid could also be stuck. Ensure also that the vacuum lines are not bursted.

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