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cflood330ci 11-17-2012 10:04 AM

2002 bmw 330ci fuel pump
hi im trying to see if anyone could tell me why my 2002 bmw 330ci fuel pump wont come on i replaced the whole pump and the filter and the relay and everything else works but the pump wont come on what should i do

TannerT 11-17-2012 11:36 AM

You checked all connectors and fuses

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cflood330ci 11-17-2012 11:42 AM

Yes the fuse and the relay are good

cflood330ci 11-17-2012 11:44 AM

It will turn over and everything but will not start and the fuel pump wont come on so i have no fuel pressure

shadow 2 11-17-2012 12:25 PM

Is the pump getting current?

cflood330ci 11-17-2012 01:02 PM

No no current idk what to do

mlukas161 11-17-2012 01:24 PM

Did you check the relay in the compartment under the hood?

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cflood330ci 11-17-2012 02:07 PM

Yes i have

cflood330ci 11-17-2012 04:22 PM

The car drove fine befor i got this problem all wen my crankshaft position sensor went out and wenever i changed it is when it started doing this the fuel pump wont come on so i replaced it and the filter and the relay and it still wont come on

GoForthFast 11-17-2012 11:11 PM

Need to go back to basics. Check to make sure the connector at the pump is fully seated?
If OK there, need to check for voltage back at the pump?
If voltage, perhaps a bad new pump. If no voltage, have to trace back the circuit.
Let us know what you find when you do these tests.

Intermittent electrical problems are the worst to track down.

cflood330ci 11-18-2012 01:47 PM

I got the car to start i drove it to town and back home but now it wont start again

wdgiles 11-19-2012 03:38 AM

Mine has been doing the same thing this weekend, won't start, wait a day, then it works with no explanation. I was able to start it briefly with some engine start into the intake, but now it doesn't work again. Don't worry you're not alone.
I have '01 325, but same basic setup, I've confirmed I have voltage at the pump but no response from the pump itself, so you're one step ahead of me. I plan to get the replacement installed today.

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