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Walbro 255 pump whine...

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Old 04-30-2012, 06:04 PM
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Default Walbro 255 pump whine...

So I took my car for a drive around noon today, drove about 30-40 miles no problems at all. about 2 hours ago I start it up and my fuel pump is making a whining sound now. When I turn the key on and let it prime before I start the car, it will prime like normal then stop, but once I start the car its starts to make a whining sound and doesn't stop till I shut the car off.


I have been told these Walbro pumps are common to make a whine sound once the weather starts to get warmer, is this true or not? Or should I look into getting a new pump. Doesn't feel like I'm losing power or anything. Car only has 65k miles on it, so I'm sure the pump has less on it than that.
Old 05-01-2012, 07:41 AM
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And, the fuel psi is?
Check it cold, then drive it, and check it hot.




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