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Vito nox and O2 EMLs but no sensors present?

Jay Cartay

New Member
Joined
May 22, 2014
Messages
4
Location
Leeds, UK
Car
Vito W639 111 CDI
This is a weird one. This is my first Vito so I'm not familiar with them, but my van appears to have 2 cats in the exhaust system and neither the one right after the turbo nor the one further down the system have any kind of lambda sensors in them nor are there holes present.

The ENL is on and nox sensor and O2 sensor codes are both present. How can this be!?
 
Not sure about the NOX sensor but the connection for the 02 one is below the air intake duct and the sensor forward of that.
 

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