There’s nothing more frustrating than a lawnmower that won’t start. But when it’s your Echo 2-stroke hedge trimmer that’s not revving up, it can be downright infuriating. Not only does it mean you can’t finish your yard work, but it also means you’re stuck with a loud, obnoxious piece of machinery that’s not doing anything.
If you’re dealing with an Echo 2-stroke hedge trimmer that won’t rev, you’re not alone. This is a common problem, and there are a few simple things you can check to try to fix it. In this guide, I’ll walk you through the steps to troubleshoot a hedge trimmer that won’t rev, and I’ll give you some tips on how to prevent this problem from happening in the future.
Why Echo 2 Stroke Hedge Trimmer Won’T Rev
1. No spark
The spark plug is not firing.
The spark plug wire is disconnected or damaged.
The ignition coil is not working properly.
The fuel is not reaching the spark plug.
2. Too much air
The air filter is dirty or clogged.
The carburetor is not adjusted properly.
The fuel mixture is too lean.
3. Too much fuel
The carburetor is not adjusted properly.
The fuel mixture is too rich.
4. Engine compression is low
The piston rings are worn out.
The cylinder walls are scored.
The crankshaft bearings are worn out.
5. Valve clearance is incorrect
The valves are not opening and closing properly.
6. Timing is incorrect
The ignition timing is not set correctly.
The valve timing is not set correctly.
How to Troubleshoot: Echo 2 Stroke Hedge Trimmer Won’t Rev
Symptoms
The engine will not start or will only run for a few seconds before stalling.
The engine backfires when you try to start it.
The engine runs rough or hesitates when you give it gas.
The engine smokes excessively.
The engine loses power.
Causes
There are a number of possible causes for an Echo 2 stroke hedge trimmer that won’t rev. Some of the most common causes include:
Dirty air filter:
A dirty air filter can restrict airflow to the engine, causing it to run lean and eventually stall.
Clogged fuel filter:
A clogged fuel filter can prevent fuel from reaching the engine, causing it to run out of gas and stall.
Bad spark plug:
A bad spark plug can cause the engine to misfire and eventually stall.
Weak spark:
A weak spark can also cause the engine to misfire and stall.
Improper carburetor adjustment:
The carburetor may be improperly adjusted, causing the engine to run lean or rich.
Engine damage:
The engine may be damaged, preventing it from running properly.
Troubleshooting
To troubleshoot a Echo 2 stroke hedge trimmer that won’t rev, follow these steps:
1. Check the air filter:
Remove the air filter and inspect it for dirt, debris, or other obstructions. If the air filter is dirty, clean it or replace it with a new one.
2. Check the fuel filter:
Remove the fuel filter and inspect it for dirt, debris, or other obstructions. If the fuel filter is clogged, replace it with a new one.3. Check the spark plug:
Remove the spark plug and inspect it for damage. If the spark plug is fouled or damaged, replace it with a new one.
4. Check the spark plug wire:
Inspect the spark plug wire for cracks or damage. If the spark plug wire is damaged, replace it with a new one.
5. Adjust the carburetor:
If the carburetor is improperly adjusted, it can cause the engine to run lean or rich. Adjust the carburetor according to the manufacturer’s instructions.
6. Inspect the engine for damage:
If the engine is damaged, it may need to be repaired or replaced.
Prevention
To prevent your Echo 2 stroke hedge trimmer from not revving, follow these tips:
Keep the air filter clean.
Change the fuel filter regularly.
Replace the spark plug regularly.
Inspect the spark plug wire regularly.
Adjust the carburetor regularly.
Inspect the engine regularly for damage.
By following these tips, you can help prevent your Echo 2 stroke hedge trimmer from not revving.
Also Read THis: Echo Hedge Trimmer Blades Won T Move
FAQs: Echo 2 Stroke Hedge Trimmer Won’t Rev
Why won’t my Echo 2 stroke hedge trimmer rev?
There are a few possible reasons why your Echo 2 stroke hedge trimmer won’t rev. Here are some of the most common:
The choke is on: Make sure the choke is off before trying to start the trimmer.
The fuel tank is empty: Fill the fuel tank with fresh gasoline.
The spark plug is fouled: Remove the spark plug and clean it with a wire brush.
The air filter is dirty: Remove the air filter and clean it with a dry cloth.
The engine is flooded: Turn the trimmer off and let it sit for a few minutes. Then, try starting it again.
How do I fix a flooded Echo 2 stroke hedge trimmer?
To fix a flooded Echo 2 stroke hedge trimmer, follow these steps:
1. Turn the trimmer off and let it sit for a few minutes.
2. Remove the spark plug.
3. Use a clean rag to dry the spark plug well.
4. Reinstall the spark plug.
5. Turn the trimmer on and try starting it again.
How do I adjust the carburetor on my Echo 2 stroke hedge trimmer?
To adjust the carburetor on your Echo 2 stroke hedge trimmer, follow these steps:
1. Remove the air filter cover.
2. Locate the carburetor adjustment screws.
3. Turn the idle speed screw clockwise to increase the idle speed, or counterclockwise to decrease the idle speed.
4. Turn the high speed screw clockwise to increase the high speed, or counterclockwise to decrease the high speed.
5. Reinstall the air filter cover.
How do I change the oil in my Echo 2 stroke hedge trimmer?
To change the oil in your Echo 2 stroke hedge trimmer, follow these steps:
1. Park the trimmer on a level surface.
2. Turn off the trimmer and let it cool down.
3. Remove the oil fill cap.
4. Use a funnel to add new oil to the fill hole until the oil level is up to the full mark on the dipstick.
5. Replace the oil fill cap.
How do I sharpen the blades on my Echo 2 stroke hedge trimmer?
To sharpen the blades on your Echo 2 stroke hedge trimmer, follow these steps:
1. Remove the blades from the trimmer.
2. Use a file to sharpen the cutting edges of the blades.
3. Be careful not to over-sharpen the blades, as this could damage them.
4. Reinstall the blades on the trimmer.
