Thursday Morning Riddle

I’m a break in a sentence, as rendered in print;
I’m to ruin your hopes; a one-hundred yard sprint;
I keep car data close, so you don’t need to squint;
I’m to dine, but not pay; or some salt (just a hint).

Who am I?

UPDATE: Riddle solved by Asher. See comments for answer.

2 Responses to “Thursday Morning Riddle”

  1. Asher Says:

    Dash

  2. Bill Says:

    DASH is correct! Way to go, Asher!

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