Fuel pump running
#1
Driver School Candidate
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Fuel pump running
I have had this issue on both my 2014 Fsport GS and my 2013 Luxury GS. I go out to my garage hours after I parked the cars and the fuel pumps would be running. Anyone else have this issue?
#5
Lexus Test Driver
The humming noise you hear coming from under the vehicle hours after turning Off the engine is the fuel evaporation leak check. Any time up to approximately 5 hours after the engine is turned Off, you may hear a humming sound coming from under the vehicle that could last up to several minutes. This is the sound of a fuel evaporation leakage check and, it does not indicate a malfunction.
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