PLZ HELP! What does this connect to? It comes off of the EGR valve. - MBWorld.org Forums

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PLZ HELP! What does this connect to? It comes off of the EGR valve. > PLZ HELP! What does this connect to? It comes off of the EGR valve.
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PLZ HELP! What does this connect to? It comes off of the EGR valve.

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Old 06-07-2010, 07:01 PM
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ML 430
PLZ HELP! What does this connect to? It comes off of the EGR valve.

This is on my EGR valve, between the sensor on the valve & the engine block.

This tube has a flat, round piece at the end. The flat, round piece has holes in it. It looks like a vacuum tube. Where does it plug into?

Please help! I get the trouble code for a vacuum leak & think this is causing it. Thanks in advance for the help!
Attached Thumbnails PLZ HELP! What does this connect to? It comes off of the EGR valve.-2010-06-07-16.41.08.jpg   PLZ HELP! What does this connect to? It comes off of the EGR valve.-2010-06-07-16.41.45.jpg   PLZ HELP! What does this connect to? It comes off of the EGR valve.-2010-06-07-16.20.10.jpg  
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Old 06-27-2017, 11:35 AM
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2003 ML 230
I also have this question. What is this? I can cover it with my hand while the engine is running and it does have a vacuum, but it makes no difference in way my Ml idles, (which is terrible) If anyone knows this, id really appreciate it.!
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Old 06-27-2017, 05:11 PM
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2002 ML 320 & 2006 ML500
It's a breather for air intake and there is nothing wrong or missing.
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