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VX Commodore starts but only runs for a few seconds

202GodsMotor

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My VX commodore ecotec will fire and run but at most it will only run for 2-3 seconds. I believe I can hear the fuel pump working. Engine was running fine but all of a sudden it wouldn't start. Any ideas or fixes?
Thanks
 

krusing

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Sounds like Immobiliser is causing that.
My advise is to get it scanned for any issues.
Not all codes activate the MIL.
 
Last edited:

lout

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to me that sounds like weak fuel pump or blocked fuel filter
what is the red mode led doing when you try to start car
 

ephect

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Maybe it's best to scan the error codes to see if it's logged.

It could also be low oil pressure which is cutting fuel supply, or faulty sensor. Fuel pump on the way out, dfi fault or as others have said immobilizer.
 
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