E320 2004(W211 OM648) fuel issue

Millfed

Registered
Joined
Nov 25, 2016
Messages
1
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Location
UK
Your Mercedes
E320 2004 3.2CDI
Strange problem.
Driving along normally the other day and a loud knocking noise from the engine and loads of grey/ black smoke. Stopped. Got towed back.
Next morning checked the car - started normally and ran smooth for about 3 miles and slowly the knocking and smoke returned. I guess its connected with it warming up as if I switch off the problem is still there until cold again.
I thought it may be the quantity control valve. What is the best way to test it and any other ideas!!
Cheers.
I still have a great car but only for around 3 miles from cold.....;)
 

AMck

Senior Member
Joined
Jul 3, 2008
Messages
848
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15
Location
Newport
Your Mercedes
2007 E320cdi S211, SL320 2000(written off), Lotus Excel
I believe it can be tested on STAR.
 

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