diesel run back

A

arch50

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Joined
Jan 3, 2011
Messages
16
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Location
airdrie
Your Mercedes
1999 clk 320 coup sold now a 2003 w203 270 cdi 120k
hi guy is there a nonreturn valve in the lift pump on the 270 cdi engine as the fuel keeps running back over night
 
LostKiwi

LostKiwi

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Aug 25, 2006
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Location
Midlands / Charente-Maritime
Your Mercedes
'93 500SL-32, '01 W210 Estate E240 (RIP), 02 R230 SL500, 04 Smart Roadster Coupe, 11 R350CDi
If it runs back you have an airleak on the fuel lines. Common problem on CDis and not a difficult job by all accounts.
 
mersum1es

mersum1es

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Sep 25, 2010
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Location
Finland
Your Mercedes
W212/-09/350CDI, W219/-07/320CDI, EX:W220/-01/320CDI, EX:W211/-04/320CDI, EX:W210/-01/270CDI
none exist, no need if system is ok.
 
Taffy7hfa

Taffy7hfa

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May 29, 2016
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Oxford
Your Mercedes
2002 ML 270 CDI,2016 Hyundai1.6 CRDI i30,2014 Peugeot 308 HDI. .6 HDI.
If you cant be bothered to replace the low pressure pipes just park it pointing down hill ;)
 
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