very loud high pitched noise
I have a 2003 GT Turbo that just turned 60K. I am very good about maintenance on the car as I want it to last a long time. Yesterday I was driving into work - about 5 miles highway, about 5 miles city streets - and when I was parking and turned off the radio I noticed a very loud high pitched noise coming from the front of the car. I rolled the window down and wow was it loud. It was definitely not a belt sound. So I turned the car off. When I went out for lunch it was still doing the sound. When I am at a light, the sound is there. When I give it gas, it goes away for a while and then comes back when I am going 15 to 20 miles. Once above 20 miles, it stays. Last night when I pulled out onto the road, the check engine light came on. I took it easy on the way home, not going above 55. I am worried it is the turbo. I just had the 60K maintenance done two weeks ago - oil changed, new spark plugs, pcv, trans flush, new batt terminal and brake fluid. I bought the car when it was 3 years old at 24K. I am wondering what is wrong and if it is the turbo. I am not driving it today.
Thanks for any advice.
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