Small Engines (Lawn Mowers, etc.)/Pressure Washer


QUESTION: I just replaced the carb on my Briggs and Stratton 6.5 HP quantum pressure washer. It ran great, no problems. When it ran out of gas, I refilled it with fresh gas, now problems are happening. Runs only when choked, then shuts down. Runs with minimum power when choked, but when you put it to run, it stalls.

ANSWER: The problem you described is almost always fixed by cleaning the carb.  Do you have an air compressor in order to clean the carb?


---------- FOLLOW-UP ----------

QUESTION: Yes. And I also have some aerosol carb cleaner.

I would start by removing, dis-assembling, and cleaning the carb with compressed air from the air compressor and aerosol carb cleaner.  

If carb cleaning does not fix the problem then the other trick we do for pumps is remove the pump and see how the engine runs.  If it runs fine without the pump then we know there is a problem with the pump.  Pretty simple but we see this pretty often.  Most of the time we just end up replacing the pump as many are not repairable.


Small Engines (Lawn Mowers, etc.)

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Eric A. Jones


Lawnmower Repair . Certified Master Service Technician from B&S. Have 23 years experience on B&S, Lawn Chief, Weed Eater, Echo, Peerless, Wheel Horse, Snapper, Atlas, MTD, McCulloch, Homelite and many other numerous brands. Specialize in electrical repair.


Born and raised in the midwest. Started tinkering with engines when I was about 14 on my Suzuki RM-80. I began lawn mower repair at a small hardware store. I knew absolutely nothing. I read lots of repair manuals and met an older fellow who taught me many lessons. I continued working on small engines through high school and paid my way through college working on mowers at the same hardware store. Decided to get away from the midwest and mower repair so I joined the Air Force. I repaired air traffic control electronic equipment and ended up in Hawaii where I got a part time job at Small Engine Clinic. I gained a lot of experience from the Small Engine Clinic and had a blast repairing small engines. I then took the Briggs and Stratton Master Service Technician test and earned my MST. I then traveled to Wisconsin where I attended the factory update training seminar and received formal training. Continued working on mowers part time as I completed 20 years of military. Retired from the military on a Friday and continued in the lawn and garden industry the next Monday.

MAS Aerospace Operations BA Mathematics AAS Electronic Communications AAS Electronic Technology

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