300C suddenly reving up

My wife tode me that her 05 300C revved up to 7,000 while she was in a 55 MPH highway. The car didn't speed up, but the engine was reving up. It hasn't done it since.

Anyone heard about this?

S
Reply to
spus
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if her speed didn't increase,, sounds like a potential trans issue. best to get it scanned and see if it saved a code in memory

Reply to
Rob

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