Car runs great, crank position sensor is intact.

Took the car to an indie to find out and he says it could be a TDC sensor.

What do you guys think. If it were this, would the car still be running fine?

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Norm K.
'97 E420 Sport
'06 E350 Sedan
'67 Mustang Coupe
'70 F-250
'15 VW Jetta