Hot Water Pressure Washer Producing Black Smoke? Here's how to fix.

If you are seeing black smoke coming from your machine, it's time to diagnose, and Alkota has the answers.
We asked experts the commonly asked questions to get you the answers you need.
At Alkota we are proud of all our machines being made in the USA. We strive for excellent customer service and dependability of machines.
BLACK SMOKE, WHY?
When you get black smoke, most commonly, it is a portable diesel equipment. This indication means fuel isn't burning completely.
HOW DO YOU FIX IT?
There are a couple of methods:
Air flow. Sometimes machines can be pumping more fuel than air amiable to burn. Adjust your air flow until the smoke clears up. Also, if your elevation is different, please adjust air to accommodate the location you are in.
Bad Fuel Nozzles. It could be the fuel nozzle. When was the last time you replaced the fuel nozzle?
Not enough fuel. Check your fuel in the machine or the fuel filter to be sure there isn't build up somewhere.
Semi-enclosed areas. If you are in a semi-enclosed area (think semi trailers), sometimes there is not enough air flow coming in.
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Learn more at Alkota.com or find a Alkota dealer to help you fix your smoking pressure washer!
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[@phillipthethird42]

I had just called "Alkota" about a problem I was having. What a coinsidents.

[@applejacks971]

Burner on my Hotsy quit yesterday and I have raw fuel on top of the burner coils. I think I'll call Omaha on this one. Wavin' a hand from Norfolk!

[@patrickhallacy7370]

Could low voltage cause smoking? The smoking was coming out in puffs like it was firing intermittently.

[@AlkotaCS]

Probably not. Your burner is most likely out of adjustment. Contact your local dealer for adjustments.

[@ktmdays]

Why would it rumble

[@AlkotaCS]

Too little or too much air can make the burner rumble. Adjustments of the air bands should fix this.