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Om651 w204 2013 code P0471

Penzo

New Member
Joined
Dec 26, 2022
Messages
2
Location
Ipswich
Car
W204
Hello, I had damaged exhaust back pressure sensor loom and sometimes I was getting a P0471 code with limp mode. But that used to happen like once a week. When I had it for service I asked them to look at it. They replaced ebp sensor and told me that the wiring loom need replacing. So after that car is all the time in limp mode with same code. So i got new wiring loom connected it to sesnor, i thought it will resolve the problem, but nothing changed, so just in case i changed ebp sensor again. But still in limp mode i hooked it up with icarsoft and got live reading of sensor which was 1.5bar what else I could check?20221224_121821.jpg
 
Does anyone know what are normal pressure for exhaust back pressure sensor? Or what could cause high pressure there?
 
Did you resolve this at all, I have the same problem with mine, going into limp mode and throwing up the code 0471 but no eml on? Thanks
 

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