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#1
02-06-2009, 12:20 AM
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zero oil pressure @ operating temp and in drive...
Our 1995 E320 is dipping down to zero Bars when its in drive when i accelerate it shoots up to 3 immediately , but here is the strange thing, i open the oil filler cap and is saw oil shooting at the cam shaft means that i still have oil pressure when the gauge reads at 0, It was all fine until today... What could be wrong, oil sensor issues, oh when its cold oil temp goes up to 3 bars(Obviously the oil is thicker hence higher oil pressure)
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Current Garage 2008 Mercedes GL320 CDI 188k mi Repair/Work in progress 1994 S350 160k mi Garage Queen & prepping for repairs 2005 E320 CDI 203k mi Healthy & Daily Driver 1994 S350 357k mi Retried as parts car 1984 300TD 214k mi Blown OM617 Poss OM603 Swap?? Sold 1987 300SDL 200K+ 1994 S320 181K mi 2008 E320 Bluetec 127k mi 1999 S420 130K mi 1980 240D 360k mi 15+ Others that has come, stay and gone GONE, BUT NOT FORGOTTEN  1995 E320 SE 220k mi 1984 300SD 350k mi 
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#2
02-06-2009, 02:29 AM
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Oil pressure sender is going bad. Classic failure symptom. Its attached to the back of the oil filter mount. Unscrew, install new one. Problem solved!
 Use a VDO one (costs more)....aftermarket ones die in a short time. (I would know, I had one die in one day)
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-diesel is not just a fuel, its a way of life-  '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k)
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#3
02-07-2009, 07:48 AM
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Warning: Be very careful when you remove and install the new sending unit. It is very likely that the biodegradable wire harness for this which appears to include the oil level sender and starter has deteriorated and will need to be replaced at the same time. IIRC the wire harness is routed just behind the oil filter housing so you should check the condition of the insulation before proceeding. Mark
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