Question about 2004 Chevrolet Avalanche
Makes noise when removing gas cap
Posted by Anonymous on
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Posted on Jan 02, 2017
it is the electric fuel pump you hear it should not be heard but sometimes before they fail they make noise drive it until it wont start up when that happens its time to replace it must drop fuel tank to do it and it costs about 150 dollars for part. could go for some time before failing.
Posted on Jan 04, 2010
more then likely yes it is. I would just run your truck the way it is until it goes all the way bad. It may last a day it may last a year
Posted on Mar 19, 2010
Testimonial: "thanx for the quick reply"
assuming from the noise i am assuming your opening the gas cap while the engine is running. that noise your are hearing is prob the fuel pump. your really not supposed to open the gas cap while the engine is running. pressure is needed inside the gas tank for everything to work properly. after a while of doing so you may get a emissions code for either a small or a large leak. i recommend when pumping gas to shut the engine off to eliminate any future problems that could happen.
Posted on Dec 27, 2010
You have a check light on & pressure when you
remove the gas cap,so the question to you is,
why are you not getting the codes & repairing the
Pretty simple I would say !!
Posted on Oct 27, 2012
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