reading the adjustments are set for 1100 ft. elevation and I live at 2000 ft. This helped some but now I am back to the same problem. I can find no adjustments for the carb. and am tired of having to return it every time this happen. Any suggestions?

My e-mail address: [email protected]

Thank you.
Gas Blower 135 MPH390 CFM Blower PB250

Experienced gardeners share their insights in answering this question :
There is one adjustment on the carb, but to get to it you need to drill or pick the black plastic cover out that is covering it, then you can adj the The blower at high speed and also check your exh screen to make sure thats not the prob before adj. carb. you will see jet just above top carb gasket at base of carb about ctr above wher it splits for diaphram good luck

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We provide a variety of viewpoints on how to identify and fix common gardening problems. Our sources include academic articles, blog posts, and personal essays from experienced gardeners :

The fuel filter might be clogged. A clogged fuel filter is most commonly caused by leaving old fuel in the leaf blower. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. This sticky fuel can clog the fuel filter and cause the engine to stall.
Gas left in the tank for 30 days or more can deteriorate, causing the engine to stall or not start properly. If left for 6 months or more, the gasoline can turn into a thick sludge. To remedy this situation, just empty the old fuel and replace it with new fuel.
The gas engine on your leaf blower needs to operate at a specific temperature: hot enough to burn the fuel and give the engine power but cool enough not to overheat the piston. An overheating problem in the leaf blower is generally caused by a failure to vent gases or the fuel burning too hot inside the cylinder.
The air filter may be clogged or dirty. If the air filter is clogged, the engine will get too much fuel and not enough air. As a result, the engine may stall. If the air filter is clogged, replace it.
If your leaf blower engine is lacking power, it could be due to a blocked air filter. A plugged air filter will restrict air flow into the engine, reducing power and performance. Changing the air filter is an easy fix, and should solve this issue.
Mechanical or electrical issues are the two main categories of industrial blower fan failure that can completely stop the fan. Faulty belts, loose pulleys, insufficient power, inadequate wire size, blown fuses, and other issues can occur in these areas.
What Causes Blower Motor Failure? Like other components in your HVAC system, the blower motor can wear down over time. Some of the reasons a blower motor might fail are overheating, and excessive moisture. When dust, dirt, and debris build up, it can cause the windings and bearings to burn up more quickly.
ECHO gas blowers run on a 50:1 ratio of gas and oil mixture. You can do your own mix or purchase premix gas/oil.
Maintenance of gas powered leaf blowers produces toxic waste like fuel filters and contaminated air filters. Blowers erode, compact and dry out soil and harm plants, microorganisms and pollinators.
Check for a dirty air filter and replace if needed.

A clogged filter limits the amount of cool air that passes over the heat exchanger, causing it to overheat and shut off. At the same time, your blower turns on to help cool it down.

If your blower motor is overheating, then you may notice a burning smell coming from the vents. Eventually, your furnace may shut down completely. Odd noises from the furnace: Another common sign of an overheating blower motor is that you may notice loud humming and other weird sounds coming from the furnace.
To completely start over the game, including all challenge progress, go to Options > Misc > Hard reset. The same result can be achieved by deleting the save. dat file. This will also reset options, which you can preserve by copying options.
Blowers operate in very high load applications, and runtime can vary drastically based on how the user operates the unit. For example, the DPB-2500 with a 2.5Ah battery being operated on non- stop turbo mode will run for approximately 9 mins, 15 mins on high speed and up to 90 mins on low speed.
If your carburetor is clogged, it can cause your leaf blower`s engine to die when the choke is disengaged. You can disassemble it, clean it, and replace individual parts with a carb kit. Once your carburetor has been unclogged, cleaned, and re-assembled using the carb kit, the engine should run with the choke off.
Blowers operate in very high load applications, and runtime can vary drastically based on how the user operates the unit. For example, the DPB-2500 with a 2.5Ah battery being operated on non- stop turbo mode will run for approximately 9 mins, 15 mins on high speed and up to 90 mins on low speed.

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My Echo Blower Model 251 has given me problems ever since I bought it little over a year ago. It would not get full RPM’s so returned it after reading the adjustments are set for 1100 ft. elevation and I live at 2000 ft. This helped some but now I am back to the same problem. I can find no adjustments for the carb. and am tired of having to return it every time this happen. Any suggestions?

My e-mail address: [email protected]

Thank you.

ANSWER : There is one adjustment on the carb, but to get to it you need to drill or pick the black plastic cover out that is covering it, then you can adj the The blower at high speed and also check your exh screen to make sure thats not the prob before adj. carb. you will see jet just above top carb gasket at base of carb about ctr above wher it splits for diaphram good luck

Even though I have the carb. set in choke, and press the bulb many times, it doesn’t seem as if and gas gets through. I eventually put the carb. setting in Run and pull the crank many times before it starts. The blower is 2 years old, used on about 12 lawns per week. The problem stared in mid summer. Any suggestions? Thank You.
ANSWER : Here is a Link to one of my Tips:www.fixya.com/support/r6081405-cleaning_small_engie_carburetorGood Luck!Jim

BLOWER WILL START WITH FULL CHOKE, BUT SHUTS OFF WHEN TRYING TO REDUCE CHOKE.
ANSWER : I’m having the same problem. My suspicion is the carborator requires gas/air mixture adustments. This requires a special carb adjustment tool – called a Long Single D Tool. I will try to have my fixed very soon – 1 week…I’ll try to keep you posted.

Echo 251 pb leaf blower doesn’t blow/vaccum at full power. Very weak. Took everything apart and cleaned, still have problem.
ANSWER : Check to see if their is a little screen in muffler cloged

I bought a new echp pb-251 blower last year. towards the end of last season the blower seemed to run sluggish. I attributed it to the cold weather and stored it properly with fuel stabilizer. Now here in Texas our lawn equiptment really doesnt stay put up for very long, and i use my leaf blower to round up my leaves during the winter. — Long story short, I had a problem with power and replaced the spark plug and air filter with no good results. I took the blower back to Home Depot and they charged me to have someone look at it. It was returned running fine with “carbureator adjustment screw out of adjustment as the Problem found”. Now it is two weeks later and after only using the blower one time i am having the same problem again. it starts and runs but has no power when you pull the trigger. Where is the adjustment screw on the pb-251 so that i do not have to turn it in to get charged for something that should work again. Echo I love your products I have bought three weedeaters from you and three blowers ….very dissapointed in this one.
ANSWER : Hi, there is a wire screen in the exhaust outlet that blocks up with carbon deposits. It can be removed and cleaned with a wire brush. If blocked it will give you the problem you have and also make the blower quieter than it should be. Regards Phil.

Loss of power leaf blower – gas
ANSWER : Had the similar problem- start with removing the exhaust intake plate 1st— clogs with super fine dust initially then larger particles… Mine was completely clogged- cleaned er’ out now she blows like the wind!

I have an Echo PB-500T blower that won’t throttle up. I bought this blower new about 3 months ago. Before this blower I had an exact same blower that gave me the same problem. I returned that blower for a replacement and now this blower is doing the same thing. Is there something wrong with the Echo PB-500T blowers? I hate to return this one just to get another that will give me the same problem. Two new Echo blowers in less than six months having the same problem is curious. Any help will be greatly appreciated.
ANSWER : Remove the in tank fuel filter and take it apart, the felt Echo uses on the filter clogs quickly. There is still a mesh screen filter in the assembly so make sure you put it all back together and reinstall the fuel filter into the tank.

Blower starts and runs for 5 seconds and cuts off. Is it an oil to gas ratio. Is is 32:1 or 40:1? For the Echo PB250 gas blower.
ANSWER : I don’t think the oil-gas ratio will cause that problem. Did you check to see if the fuel lines or fuel filter is clogged?