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W211 codes 320cdi

Take the car to a local MB independent and let them scan the vehicle Iand more importantly, interpret the codes.

It sounds like an O2 sensor has failed as for the other codes, it could be sensor issues or something causing the sensors to report abberant values. Presumably there is a Check Engine Light illuminated?

Do not just guess and replace parts randomly.
 
Take the car to a local MB independent and let them scan the vehicle Iand more importantly, interpret the codes.

It sounds like an O2 sensor has failed as for the other codes, it could be sensor issues or something causing the sensors to report abberant values. Presumably there is a Check Engine Light illuminated?

Do not just guess and replace parts randomly.
No check engine light. Is the code reader no good ?
 
No check engine light. Is the code reader no good ?
I didn't say that.

Reading codes is one thing, interpreting that code accurately requires specialist knowledge and experience.
 
Had a really nice guy Majed off this forum come and scan the engine with a Star machine.
This is what came up, he thinks it points towards a blocked cat as there was quite a bit of smoke when it had idled for 30 mins.
 
2030-004
2038-002
2195-004
 
the scanner used would of given you definitions also of the faults, those codes mean nothing only to the reader used,
 

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