Q: I took it to get a car wash and after the car wash, the car engine sound like I was

asked by on October 22, 2017

My car was making a noise at the bottom of the car. Now, yesterday I took it to get a car wash and once I came out the car wash, my RPM would go to 3000 when the car was only going about 25 mph. Why is the RPM going higher than usual ?

My car has 143700 miles.
My car has an automatic transmission.

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