Efurden Gas Pressure Washer 3500 PSI 2.3GPM 209CC Black 25FT Hose&4 Nozzles Set by | Jul 21, 2026More Tools From Efurden. HOW TO START THE GAS PRESSURE WASHER. ADD GASOLINE. START CLEANING BY WITH GUN. ADJUST THROTTLE TO THE RIGHT. Hose Length: 25 Feet. PULL THE ROPE TO START MACHINE. Gas Tank: 0.8 gal/ 3L.