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P0410 Secondary Air System - fixed?

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Old Jul 24, 2020 | 01:16 PM
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2009 c63
P0410 And 3 year Long Term Fuel Trim Issue fused with Krazy Glue
I got this error as both a confirmed and pending code.

I then found a small supply hose was disconnected and repaired it.

Now I see no pending codes but only the confirmed code.

Does that likely mean I fixed it but need x drive cycles to clear it?
Last edited by Dogtag114; Jul 25, 2020 at 04:42 PM.
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Old Jul 24, 2020 | 04:03 PM
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2013 C63
It should go away once you clear the codes with the scanner. If not, it should clear after some drive cycles like you've stated.
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Old Jul 24, 2020 | 05:19 PM
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I tried to clear the code right away... didn’t let me.

I drove a few trips today, getting over 50 mph each time then it let me clear the codes.

This simple repair also has seemed to fix a 3 year old issue with high fuel trim ratios!!!
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Old Jul 25, 2020 | 04:46 PM
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Once I pushed the vacuum hose further into the valve nipple, I noticed a small crack in the hose.



I then pulled it back to disconnect it and glued the hose while propping it up on the disconnected end and allowed it to dry an hour.



Ever since, the fuel trim ratios are back to under 10% since being over 16-18% for many years. I will go back with a better epoxy to be sure, but this was a huge win.
Last edited by Dogtag114; Jul 25, 2020 at 04:48 PM.
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Old Nov 13, 2021 | 12:12 PM
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2014 C63 507 EDITION
I have the same code and crack in that hose
I can't find the part number to change it
anyone?

I will post a picture tomorrow
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Old Nov 13, 2021 | 01:39 PM
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Originally Posted by Coopershift
I have the same code and crack in that hose
I can't find the part number to change it
anyone?

I will post a picture tomorrow
I had the same challenge, thus glued as a short term fix while I searched. I gave up and have't had an issue since gluing it.
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Old Nov 16, 2021 | 07:01 AM
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2014 C63 507 EDITION
just find the "Y" connector, missing the hose still

Mercedes-Benz Vacuum Hose Connector - "Y" Connection - 6010780245 - Genuine Mercedes
Note: 3.5 mm.
Part#601-078-02-45-MBZ


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Old Nov 16, 2021 | 10:46 AM
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It’s just a vacuum hose. Any auto parts store will have one. Cut to length.
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Old Nov 17, 2021 | 06:08 AM
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12' W204 C63 AMG coupe "T-Rex", 12' W451 Smart Fortwo Pulse (99' W202 C43 AMG + Ultima Can-Am sold)
Originally Posted by Dogtag114




What is this "CHINA" tube or cable doing there?
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Old Nov 17, 2021 | 12:45 PM
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Originally Posted by DRBC43AMG
What is this "CHINA" tube or cable doing there?
lol it's the paint brush I used to dab the glue on carefully. I used it to hold the hose up to apply pressure while it dried.
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Old Nov 17, 2021 | 10:30 PM
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we dont like china in these parts boy. better watch yo self.
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Old Nov 18, 2021 | 12:16 AM
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Originally Posted by roadtalontsi
we dont like china in these parts boy. better watch yo self.
😂
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