One problem related to gas recirculation valve (egr valve) has been reported for the 2015 Nissan Sentra. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2015 Nissan Sentra based on all problems reported for the 2015 Sentra.
In July of 2016 the weather was over 100 degrees and the car suddenly slowed down and I had to pull into parking lot the car would not move. Had to shut the car off and restart.