Fuel rail pressure sensor

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JohnnyLou

Member
Joined
Apr 5, 2013
Messages
35
Location
devon
Car
mb 220 cdi estate
Hi. Can anybody confirm that it is ok to renew a pressure sensor switch without having to buy the complete fuel rail assembly ? I'm being told by a Mercedes workshop that the Delphi sensor switch cannot be renewed by it self, the sensor was a genuine Delphi part with all the right part numbers and was of course identical to one I removed ! This is on a c class 220tdi s204 .....any advice please, thanks
 
Unless Delphi can supply you one its a complete rail, is it deffinatley that sensor that is faulty?
 
not sure just yet...still working on the fault, the engine rotates but will not run ! Low pressure is one of the problems....
 
at last I've cracked the problem ! I figured that the car would run ok until I booted it ! Then it would lose power ,so I figured that it wasn't an injector or the rail pressure sensor at fault, it was in fact the low pressure in -tank sender unit ! bought a new Bosch unit for £100 and fitted it 2 hours and car is good a again !
 

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