what kind of fluids? this is an electric pump and isn't exposed to any liquids, maybe if the checkvalve is bad it is allowing condensation from exhaust to get to pump, but give me some more details of your problem so i can better respond-thanks
Mode Automotive 858-361-4645
...- no other issues. It is starting to do this everytime I start it. The dealer said it was the Air Pump. Spend $626 and the problem is still there. They changed some hoses but can't seem to diagnose...