Why is there no detergent coming out of my SPX-FC34? Cause Solution Detergent container is empty. Add more detergent. Detergent bottle or suction tube not properly connected. Check connections. Detergent is too thick. Dilute detergent. Discharge nozzle is obstructed. Blow out or remove debris with the needle clean out tool. Related articles Why is there no detergent coming out? Why is my SPX-FC34-MAX not dispensing detergent? Which detergent is compatible with the SPX-FC34-MAX? Find Your Snow Joe / Sun Joe User Manual (All Models) How do I connect my Power Scrubbing Broom model SPX-PWB1 to my Sun Joe Pressure Washer?