mysterious reason to my car turning off on freeway

can a defective key for the car cause it to shut off when driving...also can it make the car not start for a while...

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MBFanatic made a comment.
8 months 4 weeks ago

More likely a bad ECU, Sam or ignition module. I would strongly recommend that you scan the car with star diagnostics scanner.

Have you done that yet? Any codes? 

 

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