Echo Through the Fog: A Well Named Sudoku with Echos Spreading through the Fog!

Today's Puzzle:

Return of channel fan favourites, the fog with another excellent and approachable puzzle from Meggen033.

Use those echos wisely to solve your way through the fog.

Link to Play:

Echo Through the Fog by Meggen033 https://tinyurl.com/SudokuSleuthEchoThruFog

Rules:

Normal Sudoku rules apply.

THERE IS ONE, AND ONLY ONE, grey palindrome line which reads the same forwards or backwards.

Digits in a cage do not repeat and sum to the clue in the top left.

A white dot between cells indicates cells with consecutive values. Not all dots are given.

The grid is partially covered with fog. Correctly placed digits will clear the fog around that cell.