Three problems related to check engine light on have been reported for the 2012 Nissan Altima. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2012 Nissan Altima based on all problems reported for the 2012 Altima.
I took the car to a repair shop because the check engine light came on and was told there is a recall for my vehicle and the dealership did not tell me. I was driving on a city street going the speed limit.
Catalytic converter heat shield can corrode causing a rattle during acceleration and possibly causing check engine light illumination. The common repair for this issue is replacement of the damaged catalytic converter. If left unnoticed may dig into the engine or fly off onto a motorist.
The contact owns a 2012 Nissan Altima. The contact stated that the vehicle would not start and the check engine warning light illuminated intermittently. The problem recurred about four times and the vehicle was towed to the dealer where the mechanic could not duplicate the failure. The vehicle was then taken to another independent mechanic who also could not duplicate the failure. The vehicle was not n repaired. The manufacturer was made aware of the failure. The approximate failure mileage was 41,000. Updated 08/27/lj.