Two problems related to engine shut off without warning have been reported for the 2003 Nissan 350Z. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Nissan 350Z based on all problems reported for the 2003 350Z.
Car has less than 66000 miles yet it shut off while driving on highway. Appears to be electrical/alternator/recharge issue an alternator is not supposed to fail at such a young & tender mileage. If car shuts off in a high speed hwy situation some one can get killed!!! my wifes Honda civic has 240k with original alternator!!.
Engine shutdown while car is running. . Loss of engine power and cell. Nm.