This video describes the steps to fix your airlift 3p "Fault Pressure sensor" issue If cleaning the pressure sensor nozzle and ports dont resolve your issue you can purchase the sensor from ebay www.ebay.com/p...
Thank you so much for the detailed guide. I will try cleaning it out, and if that dosent work i will buy a new manifold.. As a new sensor is almost 1 / 10 of the price of a new manifold here, i dont want to play with it