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2011 E 350 4 MATIC
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3 Posts
Discussion Starter · #1 ·
Hello,
I have done some research on the rough idling and switching from reverse to drive on my 2011 E 350 4 Matic. I have changed the spark plugs and my next option is to replace the EGR Valve and possibly gasket. Does anyone have any other advice to correct the issue?
Thanks
 

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Registered
2017 400 E Coupe'
Joined
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12 Posts
Hello,
I have done some research on the rough idling and switching from reverse to drive on my 2011 E 350 4 Matic. I have changed the spark plugs and my next option is to replace the EGR Valve and possibly gasket. Does anyone have any other advice to correct the issue?
Thanks
Curious how it started? Did the car suddenly start running rough?

How do you plan on getting the codes?

Is the " CHECK ENGINE " light on?
 
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