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Old 03-13-14, 08:02 PM   #1
kdl001
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Hello Everybody,

I just finished changing the fuel pump on my 98 GS400 that has 254K on her. My problem is it starts and idles fine but when I press on the gas pedal I hear a hissing sound coming from the fuel pump area that dosen't stop until I let off the pedal. I searched the other post here andcarefully put everything back together. I put the filter o-ring back into the top of the filter with the other plastic piece.I wonder is it a noisy pump or is there something else going on I drove it around my block and other than the noise it seemed fine. Thanks in advance.
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Old 03-13-14, 09:40 PM   #2
MikeFoxx
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Did u change the fuel filter?

Edit****

Nevermind... I just did a quick search and its a "lifetime filter" never knew that.

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Old 03-14-14, 04:31 AM   #3
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Yes, I changed the fuel filter, pressure regulatorand fuel pump.
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