One problem related to check engine light on has been reported for the 2005 Nissan Armada. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 Nissan Armada based on all problems reported for the 2005 Armada.
Check engine light remained on due to catalytic converter failure. Received warranty notice from Nissan of problem with catalytic failure, however, my mileage prevented free replacement. My state require emission testing each year, therefore, without replacement I would be unable to register my truck. My truck was purchased new and is service on a regular basis. Paid for replacement.