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Author Topic: Can't Start Car - Please Help  (Read 11600 times)

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sophos9

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Can't Start Car - Please Help
« on: 01 October 2006, 21:29:25 »
Hi all, turned the key in the Omego tonight and it did not fire, kept on trying and nothing.

I checked all the fuses (in the cabin and out).... all good!

Pulled the fuel line off (19mm) turned over - no fuel at all

Undone the multiplug on the fuel pump and check for voltage whilst turning over - nothing!!!

Please, someone tell me this is the fuel pump relay.... :-/

If it is, does someone have a part number for a 1997 3.0v6

Thanks loads for your help in advance....

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TheBoy

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Re: Can't Start Car - Please Help
« Reply #1 on: 01 October 2006, 21:33:09 »
Done a paperclip test?
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sophos9

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Re: Can't Start Car - Please Help
« Reply #2 on: 01 October 2006, 21:35:53 »
Hi mate....

Must admit, did not. No EMS light at all, used the car this morning - all was good!

Does relay trigger a fault code?

Problem is, car is now some 20 miles away....  :-/
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TheBoy

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Re: Can't Start Car - Please Help
« Reply #3 on: 01 October 2006, 21:37:41 »
Don't think relay would trigger a code. But best make sure the ECU is happy, in case of sensor failures, eg crank sensor.
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sophos9

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Re: Can't Start Car - Please Help
« Reply #4 on: 01 October 2006, 21:42:19 »
The car has been perfect until a week or so ago where once or twice, the car took about 2 seconds to start instead of the usual fire as soon as engaged

I'm fairly confident there would not be fault codes, I will check it tomorrow but really need to have the most probable fix with me   :-/

How much is a new relay? Is this probable?
« Last Edit: 01 October 2006, 21:42:51 by sophos9 »
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TheBoy

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Re: Can't Start Car - Please Help
« Reply #5 on: 01 October 2006, 21:44:15 »
I don't think fuel pump relays are as problematic on Omegas as they were on earlier cars...
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sophos9

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Re: Can't Start Car - Please Help
« Reply #6 on: 01 October 2006, 21:49:57 »
Bah....  :-[

What are the probables...?

Immobiliser
Sensor
ECU
Fuse
Relay

Anything else?
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TheBoy

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Re: Can't Start Car - Please Help
« Reply #7 on: 01 October 2006, 21:53:41 »
Immobiliser would cause EML to flash...

Most sensors will allow car to start, just go in to limp. Crank sensor is an exception. There is a fuse for fuel pump - Fuse 19 IIRC...
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theolodian

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Re: Can't Start Car - Please Help
« Reply #8 on: 01 October 2006, 21:55:16 »
Quote
Bah....  :-[

What are the probables...?

Immobiliser
Sensor
ECU
Fuse
Relay

Anything else?
Out of fuel?  :o  Hey, you'd be surprised!   ;D

Kev may have some ideas . . .  ;)
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sophos9

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Re: Can't Start Car - Please Help
« Reply #9 on: 01 October 2006, 21:56:26 »
EMS light goes off whilst cranking, if crank sensor was borged then surely EMS light would stay on whilst cranking?
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sophos9

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Re: Can't Start Car - Please Help
« Reply #10 on: 01 October 2006, 21:57:11 »
@ theolodian -  ;D

It has petrol in it!  ::)
« Last Edit: 01 October 2006, 21:59:41 by sophos9 »
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sophos9

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Re: Can't Start Car - Please Help
« Reply #11 on: 01 October 2006, 22:14:27 »
Are the fuel relays the pink ones under the bonnet? Does one switch the fuel pump whilst the other switches the fuel rails?

Are they the same relay and can I get away with buying 1? How much from Vauxhall and do they usually keep them in stock?

Cheers!!
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sophos9

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Re: Can't Start Car - Please Help
« Reply #12 on: 01 October 2006, 22:37:10 »
Ok, found the relays in a picture....

Anyone.. HELP?

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TheBoy

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Re: Can't Start Car - Please Help
« Reply #13 on: 01 October 2006, 22:45:09 »
I think the 2 pink relays are identical.

Make sure you go with your paperclip, and some spare fuses, and a meter...
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sophos9

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Re: Can't Start Car - Please Help
« Reply #14 on: 01 October 2006, 22:48:02 »
Quote
I think the 2 pink relays are identical.

Make sure you go with your paperclip, and some spare fuses, and a meter...

Hey mate, thanks again for your help.

The relays are the same Part Number: 90494959, the same relays as on the X20XE etc...

Will buy a new relay, already checked all the fuses - all are fine but will take some anyway and will take a paperclip.

I know its a longshot, whats the most likely if not the relay?
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