W211 e220 cdi 2006 egr vacuum valve problem

geirlarsen1

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Jul 19, 2021
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Your Mercedes
W211/2006/ 220
Hi. I have a 2006 e220 cdi that goes into limp mode everyday. If I run a test on it it shows the fault code p1409. If I look that up it says that there is somthing wrong with the EGR vacuum valve. I have tried to find this valve with no luck. In some forums they say that this car doesn't have this, because the EGR is electronically controlled. So what is this code If the vacuum valve doesn't exist? Is there anybody that can explain how this work. I'm tired of driving in limp mode every day.
 

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