I accidentally found that my coffee spilled in MacBook 2017 USB-C cable and it was left there for a while, and I didn’t know about it when I found it the coffee was dry so I tried to clean it , then after that i let it dry , then i tried to charge my MacBook it works but it was connecting and disconnecting rapidly so I unplugged it and cleaned it again and i left it to dry , after that I tried to charge the MacBook again the cable wasn’t working what should I do?
So hard to tell— at the least you can Try resetting the SMC https://support.apple.com/en-us/HT201295
In or out of warranty you can get a free over the counter 'Apple Service Diagnostics' test /assessment
Make an appointment hardware issue—
https://www.apple.com/retail/geniusbar/
Personally I would dispose of the cable and replace it. Coffee will corrode the pins in the connector and will cause problems. You won't be able to clean it. Why risk an expensive laptop when the cable can be replaced?
Spilled a coffee in USB-C end
