Quote Originally Posted by toddrhind View Post
I had that light come on under hard acceleration only and replacing the air filter fixed the problem. I don't have a snorkel just the original setup.

From the Nissan Patrol owners manual.

Air Cleaner indicator light ( For Australia )

This light comes on when the ignition key is in the "ON" position and the air cleaner filter is clogged.

Have the air cleaner filter checked as soon as possible.
Have replaced the air cleaner but the light is still coming on. Have cut the power to reset the ECU. Will see how it is in the morning