One problem related to crankcase (pcv) has been reported for the 2004 Nissan Sentra. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Nissan Sentra based on all problems reported for the 2004 Sentra.
: the contact stated while the vehicle is at an idle in heavy traffic, the engine stalled and would not restart. The vehicle was pushed aside out of traffic, and after an extended period of time, the engine restarted. The vehicle was seen by a dealer who replaced the crank sensor. After the replacement, the problem persisted. The dealer could not find a probelm. Updated 09/13/06.