What causes a Craftsman Weed Eater to not start?

If the carburetor is clogged, try cleaning it with carburetor cleaner. If cleaning the carburetor isn’t effective, rebuild or replace the entire carburetor. The recoil starter assembly engages the crankshaft to turn over the engine. If the recoil starter assembly is defective, the engine won’t start.

How do you fix a weed wacker that won’t start?

Gas Weed Eater Won’t Start? Try This
  1. No matter what you call it – weed eater, weed whacker, string trimmer – chances are at some point it won’t start.
  2. Guidelines For Troubleshooting A Gas Weed Eater That Won’t Start.
  3. 1) Check The Gasoline.
  4. 2) Clean The Carburetor.
  5. 3) Clean/Replace Spark Plug.
  6. 4) Clean/Replace Air Filter.

How do I know if my Weed Eater is getting spark?

How can I fix no spark?

If the ignition coil does not have spark, it’s time to check its wires. Use a test light to check the continuity on the signal wire and power wire on the ignition coil. If both wires are functional but the coil fails to produce spark, the ignition coil or the ignition control module is bad.

What causes no spark to the spark plug?

Loss of spark is caused by anything that prevents coil voltage from jumping the electrode gap at the end of the spark plug. This includes worn, fouled or damaged spark plugs, bad plug wires or a cracked distributor cap.

How do I know if my spark plug trimmer is bad?

Signs of a Bad Spark Plug
  1. If the gas tank is full and the fuel is good but your small engine won’t start, you probably have a faulty spark plug.
  2. If the fuel checks out and your engine starts but runs rough, a bad spark plug is likely the culprit.

How do you check a spark plug?

How can you tell when a spark plug is bad?

What signs are there that your spark plugs are failing?
  1. Your car is a rough starter.
  2. Your car is a rough idler.
  3. Your engine will sometimes misfire.
  4. Your engine surges.
  5. Your fuel consumption is higher than usual.
  6. Your car isn’t accelerating as it should.

How do I know if my 2 stroke spark plug is fouled?

  1. The first step is removing the spark plug you want to look at.
  2. A normal spark plug will have brown or grayish-tan deposits on the side electrode.
  3. Black, dry soot on the electrodes and insulator tip indicates a carbon-fouled plug.
  4. Black, oily deposits on the electrodes and insulator tip points to an oil-fouled plug.

What happens when spark plugs are dead?

An engine will misfire when bad spark plugs delay the combustion effect. A misfire means one or more of the cylinders in your engine are not producing the power they should. Misfiring motors work harder to maintain power, which saps fuel economy. It also leads to long-term damage if you do not fix the problem.

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How often should I change spark plug on Weedeater?

As a general rule, you should change the spark plug approximately every 100 hours. This may vary across brands and specific models. Check your Owner’s Manual for specific information on how often to change the spark plug and the proper gap setting. Check the grease/oil in the cutting head gearbox often.

How do you check spark plugs without removing them?

Test with a spark plug tester

Attach a spark plug tester to the ignition wire. At the other end, the tester connects to the spark plug as it sits in your engine. Turn the ignition ON. Start the engine, or simply turn it over if it won’t start, and watch the transparent sides of the tester.

Why is my Weedeater not getting spark?

Check the entire length of the HT lead wire for damage, corrosion and loose connections. Inspect the short-circuit and lead wire, as it runs from the module to the ignition switch. Replace any damaged or frayed wires and repeat the spark test.

Can you clean a spark plug with wd40?

WD-40 removes carbon residue and keeps moisture away from spark plugs and spark plug wires. WD stands for Water Displacement, so if your spark plugs are wet or you need to drive moisture away from ignition distributors, for example, WD-40 is a product you should have handy!

What happens if you don’t put grease on spark plugs?

Even though it isn’t necessary, putting dielectric grease on spark plugs is highly recommended as it helps keep them free of corrosion, prevents the spark from arcing, and ensures that the plug’s rubber boot doesn’t bond to the ceramic portion of the plug.

What does spraying WD40 in gas tank do?

According to them, it’s useful as a fuel, lube, gunk remover, and scratch remover. Okay, maybe not so much as a fuel. After draining a gas tank and filling it with WD40, the engine dies pretty quickly, despite the fact that WD40 is a flammable substance.

What is the one WD-40 trick everyone should know?

What does toothpaste in the gas tank do?

Most toothpastes contain mild abrasives and this may originate with attempts to accelerate the seating of new piston rings back sometime before WW-ll. Don’t put anything into your gas tank that doesn’t specifically say that it is intended for that purpose, even then, it is usually a waste of time and money.

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