[six shooter]

My wife was waiting at the store for me to put gas into the titan because she left her wallet in the car and she sat their for about 5 minutes and the service engine soon light came on but the truck was not messing up at all .So i took it to autozone today and had it read .Any help.THANKS in advance

 

[jessestylex]

they couldnt tell you want it was? A/F Sensor?