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High pitched whining noise from evo 8.

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Old Jun 7, 2012, 12:53 PM
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High pitched whining noise from evo 8.

Hey hey everybody im trying to figure out what this noise is:


It appears to be coming from the driver's side, almost under the seat. It has a 2nd AMS Fuel line ran under the seat and the sound it makes is almost identical to the sound it used to make while gathering extra fuel for ignition. Now a lot of the times I don't even hear the initial kick on when I put the key in and it makes the whiny sound constantly when the car is on. Any ideas?
Old Jun 7, 2012, 12:56 PM
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Sounds like the fuel pump....but not sure why its coming from under your seat...do you hear it near the rear of the car from the outside?

I say fuel pump from just watching the vid... BUT I'm just guessing.
Old Jun 7, 2012, 01:00 PM
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ugh thats the hard part. I wanna say it comes from closer to the rear of the car but it's so hard to tell. Only thing I know for sure is it's coming from the drivers side
Old Jun 8, 2012, 10:56 AM
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Fuel Pump.
Old Jun 8, 2012, 03:10 PM
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Definitely a fuel pump sound. Pull you back seat out and I bet it gets louder.
Old Jun 9, 2012, 03:27 PM
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Hmm don't suppose anyone could tell me if that's a malfunction sound or total replace sound lol. This is my fuel system if that helps

http://www.nopi.com/dsp_part_detail....=250&vpcid=622
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