Question about Echo Inc. 44 CC, Carb Certified Backpack Blower
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Posted on Jan 02, 2017
Find the fuel air mixture screw located by the carb and turn it so the moter starts to slow down then turn it so the blower runs smoothly this should keep it from dying out
Posted on Nov 23, 2008
Check the insulator block and associated gaskets behind the carb. Sometimes the insulator block crack and reduce the amount of vacuum to the pulse diaphragm.
Posted on Apr 10, 2009
If its a two cycle engine it sounds like its loading up on fuel.. Need to lean out the fuel on the carb. Not much or it will be to lean an stick the piston..
Posted on Sep 23, 2009
SOURCE: engine stalls after acceleration
Sounds like its not "un-choking" it self, that its running like its still choked like you wold at initial start up.
Disassemble it and see if u can pysically see the activation and deactivation of the choke when u apply them.
While u are at it, also make sure:
Gas is fresh?
MIx is right?
Plug is good?
Chain brake mechanism is released.?
Posted on Oct 05, 2009
That is where I would go. Maybe carb clean or kit if it is a sudden change.
Carburetor Adjustment by Madsens.com
CW is leaner; to lean will destroy the saw. If over tightened closed (CW) the adjustment screw faces are easily marred; marred adjustments are difficult to impossible to set properly.
Clean the air filter; adjusting with a dirty filter can cause a run lean condition once cleaned and the saw run.
There are 2 wav (sound - idle & full – may not be highlighted) files that I find most helpful, I think you will too.
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Posted on Mar 01, 2010
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Oct 05, 2012 | Echo PB-250, Handheld Blower,
Here is the common cause of surges, cold stalls, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours.
To correct this problem Buy a can of throttle valve cleaner (it is made by CRC) from the local auto parts store, NEVER USE CARB CLEANING SPRAY, IT DESTROYS THE ANTI-STICK TEFLON COATING, spray it into the air intake through the throttle body of the engine until you have used about half the can, you will need to hold the idle up while you do this, it will try to stall, after this shut the engine down and disconnect the Negative (-) battery cable for 5 minutes. The intake is now clean, if you continue to have the idle speed control problems you may need to seek the help of a professional.
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