CEL Lean Bank1 - MBWorld.org Forums

10-22-2016, 09:08 AM

skipwalton350

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ML350, 2007 Passat

CEL Lean Bank1

I replaced both air filters a few days ago, now I have a CEL and Bank 1 lean at idle. I don't see where there could be any vacumn lines pulled loose, the AF housing went back on with no problem and the rear clip snapped back into place. Any ideas?

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11-08-2016, 11:35 AM

ml3204me

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You did not re-reseat the air filter housing properly. Watch this for how to do it.

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11-17-2016, 07:58 PM

Euler

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2008 C63, 2008 ML550, 2014 KTM 500 XC W, John Deere 990

I had the same thing happen when I ran my 63 with one element out. Long story.

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