If your sink remains blocked even after feeding a drain snake through the pipe, it indicates that the snake either missed the actual clog, pushed past a soft obstruction without breaking it up, or the blockage is located deeper in the main branch line. Alternatively, if you did not remove the P-trap or pop-up stopper before snaking, the cable may have coiled uselessly inside a wider pipe section without reaching the narrow restriction. Verification: Inspect the extracted cable tip for debris or try a wider auger head to ensure complete clearing.
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