BMW E60 520d intermittent non start

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BMW E60 520d intermittent non start

Postby BCAUTOREPAIR » Wed Dec 06, 2017 8:50 pm

hi i have an e60 with an intermittent non start i think it may be the pump in the tank, I have took a trace of the voltage and current from the pump but the current seems to jumping around a good bit is this normal or is this a sign of a bad pump. I've attached copies of my traces.
Attachments
BMW_5 Series_2006_Diesel_20171206-0001.psdata
(11.84 MiB) Downloaded 63 times
BMW_5 Series_2006_Diesel_20171206-0002.psdata
(7.54 MiB) Downloaded 68 times
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Re: BMW E60 520d intermittent non start

Postby landroverman1958 » Sat Dec 09, 2017 1:58 pm

Hi just check your low pressure input to the rail,it should be 3.5 to4.0 bar,if you have a scan tool it will be shown in data pids rail pressure sensor for plausability of .5volts @ koeo or koer at 1.12volts running at idle,should go to 3+volts on a snap,
Any fault codes relative to low pressure?
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