What is causing my car to hum?

Asked by Laura May 22, 2015 at 10:42 PM about the 2002 Ford Taurus SES

Question type: Maintenance & Repair

My 2002 Ford Taurus SES is humming during idle. It gets louder as I accelerate until I hit
20 mph or so. If it hums after thatI can't tell.  It's also become a bit sluggish during
acceleration. Gas use is between 22-25 mpg It hasn't become worse at all. Help!

2 Answers

I tried just turning the key when I just had to roll up the windows. I had the heat on and noticed that the hum was there. Turned the heater off and the hum went away! Now what?

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