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Author Topic: no power to fuel pump  (Read 975 times)

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gibbo

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no power to fuel pump
« on: 22 January 2009, 19:09:46 »
I have no power to the fuel pump when it is on the car the pump itself is working.  I am checking the relay, if that is ok does anyone know what the problem could be? Could it be the wiring?
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markey mark

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Re: no power to fuel pump
« Reply #1 on: 22 January 2009, 19:13:09 »
in all the years i have been messing with omegas never heard of wireing to pump fail or relays fail  :-/ :-/
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vauxfan2k

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Re: no power to fuel pump
« Reply #2 on: 22 January 2009, 19:14:46 »
what symptoms are you having that makes you think the pump isnt getting any power?

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Marks DTM Calib

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Re: no power to fuel pump
« Reply #3 on: 22 January 2009, 19:17:14 »
Read the fault codes.....the V6 fuel pump on fires when the engine is cranking......and to detect the engine is cranking requires a working crank sensor
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gibbo

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Re: no power to fuel pump
« Reply #4 on: 22 January 2009, 19:24:37 »
What I have done to check the fuel pump is connect two wires from the battery to the pump the pump then works.  If I put the original wiring back on the fuel pump  it does not work, and does not pump fuel this is why I thought it was a wiring problem or relay problem, not had an Omega before.  I know its a fuel problem because I had the pump working with direct wires from the battery to it, the car then runs.  Once I have got it running its works for a couple of days then gives up again, its like it has some kind of loose connection. :(
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markey mark

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Re: no power to fuel pump
« Reply #5 on: 22 January 2009, 19:31:09 »
crank sensor matey ! paperclip test and you will have code 19 check maintence section  :y
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gibbo

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Re: no power to fuel pump
« Reply #6 on: 22 January 2009, 21:16:20 »
Cheers mate know this is cheeky but where do I find the crank sensor!!
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hotel21

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Re: no power to fuel pump
« Reply #7 on: 22 January 2009, 21:20:17 »
Quote
Cheers mate know this is cheeky but where do I find the crank sensor!!

On a V6....


http://images.omegaowners.com/images/guides/cranksensor_location/crank_sensor_engine_number_alt.JPG


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