Originally Posted by Triple's

I agree with Steve, on the probable cause, the octane your putting is within spec of nissan's requirements, I would suspect a bad o2 sensor is keeping it to lean, the Dealer has to dig into it and find your problem, his suggestion of Oh well just add some additive, and will see what happens is BullShit, a new car shouldn't be pinging, that's just Embarrassing, If he won't do nothing about it find another dealer like it's been suggested.