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Old 03-05-2021, 09:41 PM   #1
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Default 98Sc2 Fuel tank buzzing sound not pump

I noticed a VERY loud intermittent and somewhat short lived buzzing sound coming from the fuel tank. I replaced the pump even though pressure was good. Started the car but buzzing returned. There is a metal cap with a hose coming out of it, just across from the pump (vent hose?). It seems to come from around there or the charcoal canister. This summer was the first time I noticed it. It seemed to coincided with p0172 but I rarely heard until this winter. Could it be related to a bad purge solenoid?
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