Car is making very loud clicking noise while idling. Oil was low so I added 2 quarts but the noises are still there. It's very sluggish when I'm accelerating. I noticed it was over 4000rpms while going 20mph. I'm afraid I may have blew motor due to low oil. What can I do ? What do you think it may be ?
My car has 172000 miles.
My car has an automatic transmission.
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