One problem related to engine rattling and whining sounds 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 owns a 2004 Nissan Sentra. The contact stated that the vehicle was repaired under NHTSA campaign number: 06v242000 (engine and engine cooling). Approximately two years after the recall repair was performed, the contact noticed blue smoke accompanied by a rattling noise from the exhaust pipe and system. The check engine warning light was also illuminated and the vehicle would sporadically lose power, causing the vehicle to become hesitant upon acceleration attempts. The manufacturer was not made aware of the failure. The vehicle was not repaired. The approximate failure mileage was 105,700.