One problem related to crankshaft position sensor has been reported for the 2013 Ford Focus. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2013 Ford Focus based on all problems reported for the 2013 Focus.
Driving in rush hour traffic on interstate 96 near milford mile marker 175, passing in the left lane about 75 mph the engine died and the engine fault light came on, so I pulled over to the left side shoulder, could not restart, had tow truck take to nearest Ford dealership to troubleshoot, 3 days later was informed that the engine wiring harness had rubbed thru on something and shorted out. The crank position sensor was bad, total repairs 700. 00 for wiring repairs and parts. This car has been dealer maintained since new have all receipts, not covered under warranty.