That said you should just switch to a low pressure nozzle and check if that works.
Pressure washer detergent tank not working.
The nozzle could be partly plugged and the pressure is not low enough to pull detergent.
Blow out or remove debris with the needle clean out tool.
Just remove the hose and blow into it.
If it still will not dispense detergent without a nozzle i recommend checking the chemical hose.
Extension is being used on the high pressure hose.
How to apply soap through your pressure washer using a low pressure chemical injector.
High pressure nozzles are known to block off the soap injectors chemical port.
Detergent bottle or suction tube not properly connected.
Discharge nozzle is obstructed.
Detergent container is empty.
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Every good high pressure washer must feature a detergent tank as its cleaning power is invaluable when properly utilized.
If yours doesn t then you will need to use a bucket and a hose with a weighted strainer at one end to help deliver the detergent from the bucket into the pressure washer.
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If ever your pressure washer is sporting a high pressure nozzle then you ve already found the cause of your problem.
Pressure washer is not set to low pressure make sure you are using the proper soap siphon setting or nozzle.
Remove obstruction or run distilled white vinegar through detergent tank.
Generally pressure washers come with a tank for detergent.
Always give your detergent some time to sit and work away at the grime before rinsing it off with a wider spray.
Not every scenario will require detergent but don t underestimate the value.
Refer to operator s manual for correct application.
It will work ok for a while but the ph levels in the soap will destroy the o rings in the pump of your pressure washer and it will fail.
It could be plugged.