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2004 S60 making weird on and off noise from fuel pump

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nucci480
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2004 S60 making weird on and off noise from fuel pump

Post by nucci480 » Wed Apr 08, 2020 6:59 pm


Weird on and off noise coming from the rear end of 2004 Volvo s60 non-turbo. 171k miles, replaced fuel rail FPS back in October. Any help would be appreciated.

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darrylrobert
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Re: 2004 S60 making weird on and off noise from fuel pump

Post by darrylrobert » Wed Apr 08, 2020 7:39 pm

Have you changed the fuel filter?..could be a blockage,you can also check the pump relay however i really think the problem is the pump or a kinked pipe in the tank.

to remove the pump is a "fun job", the less amount of fuel in the tank the better. Buy the removal tool online, i tried making my own but it failed. Remove the rear seats completely, it makes for lots of room and less swearing. Clean the area and lay down rags/sheets to protect carpet etc there will be fuel spillage especially from the bucket the pump sits in. You can pick up a used pump like i did, or buy new just get genuine Volvo (Bosch)

nucci480
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Re: 2004 S60 making weird on and off noise from fuel pump

Post by nucci480 » Wed Apr 08, 2020 8:06 pm

I haven't replaced the fuel filter, it doesn't have the external filter. I was wondering if it was a faulty PCM.

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darrylrobert
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Re: 2004 S60 making weird on and off noise from fuel pump

Post by darrylrobert » Thu Apr 09, 2020 12:23 am

Sorry not familar with those vehicles but it looks like a good place to start checking fairly easy to remove/check voltages etc lots of videos on youtube reporting issues with those things.

When i removed my tank pump i found some rubbish in there from things being dropped it the tank.

nucci480
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Re: 2004 S60 making weird on and off noise from fuel pump

Post by nucci480 » Thu Apr 16, 2020 11:47 am

I went ahead and replaced the fuel pem looked like it was pretty worn out. Noise is gone for now.
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oragex
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Re: 2004 S60 making weird on and off noise from fuel pump

Post by oragex » Thu Apr 16, 2020 1:24 pm

Yep nice found. It was shorting inside so forcing the pump to spin for no reason - sometimes it rather cuts it

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