One problem related to service engine light on has been reported for the 2011 Infiniti QX56. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2011 Infiniti QX56 based on all problems reported for the 2011 QX56.
"takata recall" only owner of 2011 Qx56, always on time with proper maintance. After a recall on the timing chain 2 days after picking up vehicle the service engine light came on, I called the dealer they advised it was normal to give it a few days. After 3 days light ses light came off, then about 8 months later the service engine soon light was back, got it checked and it's the catalytic converter.