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Turn the key to the on postition without starting the truck. You should hear a buzzing sound in the rear of the truck for approx 3-5 seconds. If you do not hear anything, it's either the fuel pump or the fuel pump solinoid which is located in the fuse box under the hood. Does the truck start?

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17y ago
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Q: How do you know if you need to replace a fuel pump on a 1999 Chevy Suburban?
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