Runs 10 or 20 seconds and simply dies

It is a fuel / air problem. Do you have a primer bulb, did you replace it and put it in the right way around arrow to the carb? It is a known issue. There are lots of help online and there are some videos below..

I have a stihl model bg 55 blower it starts fine runs for 5 ...

JustAnswer https://www.justanswer.com > small-engine > 2otj1-sti...
Oct 22, 2009 - cub cadet self propelled mower starts up fine runs for about 5 min. then dies. Will start again after several pulls then dies again 4-5 min.

1 answer · Top answer: 3 real options. I will start with the easy one. 1. Your gas cap could be not venting correctly. ...

Stihl Blower BG55 Bogs Down - Arborist Site

arboristsite.com https://www.arboristsite.com > threads > stihl-blower-b...
Dec 5, 2013 - It I lock it on full run eventually it works itself out within 10-20 seconds. Since it never lasts long I have always put up with it, until now.

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Blower: Runs For A While Then Dies

eReplacementParts.com https://www.ereplacementparts.com > lawn-equipment
If your blower runs for a while then dies, you'll need to check the fuel filters, spark plugs, and more. Our troubleshooting and repair guide can help.

Stihl BG55 Blower Problem!!! - Lawn Care Forum

lawnsite.com https://www.lawnsite.com > ... > ?? Mechanic and Repair
May 1, 2008 - After the first couple minutes of running, the blower will normally bog down briefly and then I let off the throttle. Once I reapply the ...

Missing: stalls ‎' Show results with: stalls

Stihl leaf blower- running problem

The Garage Journal https://www.garagejournal.com > forum > threads > sti...
Nov 12, 2009 - I have a BG 55 when fuel tank gets down to 1/2 empty it stalls out. ... run, it revs up to max then dies completely. It will only start on full ...

did you try cranking with throttle open 100%
this clears flooding this cuts the injector(s) dead.
does it/
try fresh spark plugs, are the 10 years old?
try test fuel (spray)? run for 3 seconds,
if not, you lost spark check fuses.
if you have spark and it wants flood is the cam belt 10 years old too, if it slips it will not run again, ever.
until that is cured.

The only things I know that cause low compression is poor piston rings or a worn out or scored cylinder

If it has a fuel filter on it change it and that should get you going again. If not the dirt that was in the tank is prob in the carb cleaning the fuel bowl and jets should get you up to par. Hope that helps

Try replacing the in-line fuel filter, the Air Filter and Spark Plugs. Also make sure that you are using the proper start up procedure. In many cases that means using the highest choke setting until the engine tries to start, then going to the next choke setting and so forth until you get to no choke. It is imperative that you let engine run for at least 5 minutes before use to warm up. This will ensure a longer life and consistent running.

no it sounds as though you have a bad coil

the problem is either u have trash in the bowl of the carb or the float in the carb is stuck. either way u need to have someone look at it.

Sounds like a relay or sensor. It could be the Crank Shaft Position Sensor which is usually the culprit.
Do you have any check engine lights on? If so, then I would have codes read right away to determine exact problem location

Could be a defective thermostat in the plenum.
When a gas furnace shuts down the fan(blower) will run until the plenum cools to the safe range. Usually 1 and 1/2 minutes.
Intermittent operation is a defective thermostat or relay.