Why does my Stihl weed eater dies when I give it gas?

One reason why one of these trimmers may die at full throttle is that too much oil is in the gas, which causes poor combustion. Improper operation, including overuse of the choke, can also be responsible. Poor combustion produces carbon deposits that foul the spark plug and exhaust port, making the problem worse.

How do you fix a weed eater that won’t stay running?

Most weed eaters will have a small air hole available on the cap to the gas tank – This lets air into the tank to help prevent any vacuum from forming. An easy way to check if your air hole is clogged is to simply loosen the cap while the trimmer is running – If performance improves, a replacement gas cap is your fix.

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Why does my Stihl weed eater keep dying?

The most common causes of a weed eater dying when throttled are fuel issues, insufficient air intake, or problems with the exhaust.

Why does my trimmer keep cutting out?

A clogged fuel filter is most commonly caused by leaving fuel in the string trimmer for a long period of time. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. This sticky fuel can clog up the fuel filter and cause the engine to stall.

Why does my Stihl weed eater dies when I give it gas? – Related Questions

How do you clean a carburetor on a Stihl trimmer?

Why does my 2 stroke strimmer keep cutting out?

Check for any slit, cuts, abrasions, etc, that may be preventing the spark plug from operating as intended. If the wire looks good, inspect the plug itself. Besides looking for damage, also check for oil build up, gunk, etc, that may interfere with the amount of spark needed for continuous combustion.

Why does my trimmer stall when I give it gas?

Why does my trimmer only run on full choke?

When your trimmer starts and runs on choke, it could be because the check valve in the gas cap is clogged. Start the trimmer and gently unscrew the gas cap halfway off. Turn the choke off and assess. If the engine is still running, that means the gas cap may be the culprit.

What to do if a trimmer stops working?

If your trimmer won’t turn on, especially if it has not been used recently, you may simply have a drained battery. Plug your trimmer into your charger and see if anything happens. Ideally your trimmer will recognize it has been connected to a power source and charge its battery.

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How do you adjust carburetor on trimmer?

How do I reset my Stihl carburetor?

Disengage/release the chain brake. Open/squeeze the throttle fully for at least 30 seconds (B in the diagram) Engine speed varies noticeably during calibration. As soon as the engine speed drops noticeably (C), release the throttle back to the idle position.

How do I know if my carburetor needs adjusting?

The engine should rev smoothly and quickly as soon as you apply throttle. If the vehicle is displaying any sort of sluggish performance or misfires when you apply the throttle, then more adjustments are required.

What does adjusting needle on carb do?

Raising or lowering of the needle just raises and lowers the sloping line, making fueling richer or leaner “on the needle,” which is from roughly 1/4 to 3/4 of throttle slide lift.

How do I know if my carburetor is too rich or lean?

Q: How Do You Tell if a Carburetor Is Rich or Lean? A: One way to tell for sure is by “reading” the spark plugs. If the plug tip is white, the mixture is lean. If it’s brown or black, it’s rich.

What causes a carburetor to bog?

The “Bog” simply means the engine is not receiving enough fuel when you go to wide open throttle. While there are other issues that may cause similar reactions within the carburetor, often the problem can be traced back to the accelerator pump system. Incorrect adjustment is the typical culprit.

What happens if float level is too high?

Float level is too high

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If the float height is too high, this will cause the fuel to rise to a level above the operational spec. If the fuel height is a bit too high and the bike is running, the engine will display a rich running condition, which will make the throttle response slow and the engine note muffled.

How do I know if my float is bad?

How do I check the float level on my carburetor?

How do I know if my carburetor float is stuck?

Engine misfiring: Another indicator or symptom of a sticking carburetor float is when the motor stalls or the engine fails. One or two cylinders do not get enough fuel or get too much fuel when the spark plugs give a spark. This occurs when the float is trapped, either in the open or in the closed position.

How do you unstick a float valve?

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