ML350 Bluetech 2013 Rough Idle/Rail pressure up& Down
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Ml350
ML350 Bluetech 2013 Rough Idle/Rail pressure up& Down
OM642 on Ml350 2013 with 88000 miles
Rail pressure Was going down to 252 bar then goes up to 355 bar . car start normally for almost 5 sec then feels like engine was trying to shut off but it picking up again(Very Rough Idle) sometime time engine shut down by it self
Has no delay on starting
parts was replaced
-High Pressure pump
-fuel Filter
-Cyl 3 injector old one reading -2.25 so to be in safe side i just go ahead and replace it
-Pressure Regulator valve
-Common Rail pressure Sensor
Notes(swirl valve is deleted by the previous owner but no motor there not sure if the flaps are open or closed )
Current pending Code:
10CA0,10CB0,121300
History codes:
126800,108800
-The Fuel pressure is 4.5 Bar which is normal
-Timing are 100% checked
attached three xentry actual values reading clips
no codes for any fuel pressure sensors
Any suggestion
Rail pressure Was going down to 252 bar then goes up to 355 bar . car start normally for almost 5 sec then feels like engine was trying to shut off but it picking up again(Very Rough Idle) sometime time engine shut down by it self
Has no delay on starting
parts was replaced
-High Pressure pump
-fuel Filter
-Cyl 3 injector old one reading -2.25 so to be in safe side i just go ahead and replace it
-Pressure Regulator valve
-Common Rail pressure Sensor
Notes(swirl valve is deleted by the previous owner but no motor there not sure if the flaps are open or closed )
Current pending Code:
10CA0,10CB0,121300
History codes:
126800,108800
-The Fuel pressure is 4.5 Bar which is normal
-Timing are 100% checked
attached three xentry actual values reading clips
no codes for any fuel pressure sensors
Any suggestion
