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Old 01-03-2023, 12:39 PM
Join Date: Sep 2020
Location: NL
Posts: 3
Flyingdutchman is on a distinguished road
Unhappy e53 N62 2005: Won't start, no power to FP, fuse ok, Relay ok, no error codes.


Got stuck with a broken fuel pump a few days back. Put a new pump in and the car ran great around the block. Left it over Christmas and when back it refused to start again. Now I have no 12v to the fuel pump. Checked wire, fuse and both relay's. Checked fault codes. All good. Car will start but only runs for a short while at very low rpm.

Any ideas' what I could try next. Found a few posts about this but not 100% my case. Some suggest crank sensor?

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Old 01-03-2023, 06:46 PM
Join Date: Sep 2015
Location: Northeast
Posts: 542
CapeX5 is on a distinguished road
Look into this. IT is a common problem and has lot's of fuses. I had a similar issue and it was this module. Plug/play
Dave S.
2003 4.6is
2005 E53 4.4
2003 E39 Msport(a REAL ONE!)
1959 Fiat 600
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Old 01-04-2023, 05:11 AM
Join Date: Sep 2020
Location: NL
Posts: 3
Flyingdutchman is on a distinguished road
Thanks! Will check!
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Old 01-04-2023, 08:54 AM
killcrap's Avatar
Join Date: Mar 2009
Location: america
Posts: 1,508
killcrap is on a distinguished road
also something to note is if you installed an aftermarket fuel pump, some of them usually have issues where the crimp style hose clamps. on the pump itself it is not clamped down during assembly and the hose pops off the pump
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Old 01-08-2023, 04:22 PM
Join Date: Sep 2020
Location: NL
Posts: 3
Flyingdutchman is on a distinguished road
You where both right. The electronic box brought back power to the fp but car still wouldnt start. Took it out and hose had popped off.

Car is up and running again. Thank you both.
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Old 01-10-2023, 05:37 PM
Join Date: Feb 2011
Location: Calgary, Canada
Posts: 2,187
Clockwork is on a distinguished road
I wish every "whats wrong with my vehicle" thread was solved this quickly and efficently!! Great input from CapeX5 and killcrap.
I swear, my cars are like a girlfriend.
Sometimes its a rough ride, sometimes its smooth motorin'.
Sometimes she doesnt like how i treat her and sometimes i dont like how she behaves.
BUT at the end of the day, she loves it when I am inside her.

'91 850i
'05 X5 4.4i
'09 Clubman S
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e53, fuel pump, n62

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