The answer to 'pressure washer dusty' is that a dusty pressure washer is often caused by a clogged or dirty air filter. This can prevent proper airflow and lead to the buildup of dust and debris inside the machine. Symptoms may include reduced cleaning power, sputtering, or the pressure washer running hot.
To fix a dusty pressure washer, start by checking and cleaning the air filter according to the manufacturer's instructions. This usually involves removing the filter, rinsing it with clean water, and allowing it to fully dry before reinstalling. You may also need to clean out the interior of the pressure washer by disassembling it and using compressed air to blow out any accumulated dust and debris. If the issue persists, you may need to replace the air filter or have a professional service the pressure washer.