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Changed oil pump now won't start.


Disasterfocus
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Hello esteemed members.I installed a replacement oil pump on my 1.0 ecoboost engine and now the damn thing won't start.It was running before I started the job because of oil pressure warning lamp illuminated and a  slight rattle.It turns over for about one second then stops.Is it worth trying to build oil pressure by turning the crank pulley for say an hour and trying it again.I never primed the pump and am guessing that a sensor is picking up v low oil pressure and not allowing it to start ??

Any suggestions gratefully received.

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Hello Stewart, if the oil pump failed on your engine and you had a slight rattle then it would be a reasonable guess to say that your engine has most probably come to the end of its life.

Is you oil pump driven by a wet belt ?

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2 hours ago, Disasterfocus said:

Hello esteemed members.I installed a replacement oil pump on my 1.0 ecoboost engine and now the damn thing won't start.It was running before I started the job because of oil pressure warning lamp illuminated and a  slight rattle.It turns over for about one second then stops.Is it worth trying to build oil pressure by turning the crank pulley for say an hour and trying it again.I never primed the pump and am guessing that a sensor is picking up v low oil pressure and not allowing it to start ??

Any suggestions gratefully received.

How fast does the engine turn over? Did you disturb the timing belt, did you disturb the crank sensor /timing by undoing the crank pulley?

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