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You might want to check your fuel pump relay. About two months ago my 2 yr old battery was dead and the engine would not even turn over. Always started with a jump start. Bought a new battery and thought all was fine. Heard a weird sound but couldn't find the source. Finally, engine would not start and had to get towed. Mechanic replaced fuel pump. Pump relay was the culprit. When it sticks, it drains the battery and makes a buzzing or humming sound. Luckily for me, it died in my driveway after unloading a full bed of building materials! |