Block egr

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Pyncikano

New Member
Joined
Sep 25, 2019
Messages
11
Location
uk
Car
mb c270cdi
Hello people got issue with egr valve sometimes from nowhere goes to limp mode and after i do scan shows me a problem with egr: issue code is p0404$12-egr a control circuit range/performance…
Does anyone has a clue whats the problem???
i clean a egr valve it was fine for few months after came back to same issue.
i dont know what to do to replace new egr or there is any other way to sort this out.

thanks
 
Hello people got issue with egr valve sometimes from nowhere goes to limp mode and after i do scan shows me a problem with egr: issue code is p0404$12-egr a control circuit range/performance…
Does anyone has a clue whats the problem???
i clean a egr valve it was fine for few months after came back to same issue.
i dont know what to do to replace new egr or there is any other way to sort this out.

thanks
I'm sure by reading the other threads that you have to clean the pipes that go into the EGR
 
Issue found ehr valve stucks tried to clean but doesnt help need new one. Its opens and then doesnt close and them jumps in limp mode…
 

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