Hi Raviola,
I seem to be encountering a similar problem. Also have a Grande - compressor does not always kick in. Has been perfect for years and now suddenly not working every time. Often have a very rough ride. Did you resolve your problemm Deb76
Hi All, my name is Debbie. I have had a Prado for a while. Love the car. I hope to do some towing and camping soon and have joined as a source of general info re maintenance and modifications. Deb