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Poulan weed eater bad spark plug symptoms11/21/2023 ![]() ![]() Flooding may be caused for a few reasons – blocked air filter, faulty choke, overuse of choke, tipping mower over on its carburetor side, and carburetor fault. All of these will prevent the plug from doing its job. Self-explanatory, it’s a plug that’s contaminated by too much gas (flooding), carbon, or oil. Plug type – Check your plug type with your mower engine maker.Īn incorrect plug type will lead to intermittent problems. Wrong plug types can cause all types of problems, from hard starting, rough running, hot start failures, etc. The plug should get hot enough to burn off contaminants but not so hot that it pre-ignites. ![]() So even though a plug fits, it doesn’t mean it’s correct. Plugs areas you know are graded each engine will have a particular plug code. These are the most common spark plug faults: So getting shoved into fences and trees is all part of a spark plug’s life, and you thought you had it hard! Making matters worse for the plug is its location – right out front of the engine. They carry high voltages and live at the heart of the engine where it’s hottest. ![]() Common Spark Plug FaultsĪ healthy spark plug is essential for reliability, power, and smooth running. If you still have no spark, it is most likely a failed coil, but best to check the on/off switch assembly first. If you have no spark, swap out the plug and test again. Step 3 – While you watch for spark, have the helper hold the bail lever as normal and yank on the pull cord. Tools – Plug spanner, insulated pliers, and a spark plug will be needed. You must use insulated pliers (plastic/rubber-handled pliers) to hold the plug as the voltages produced are enough to give you a jolt, which isn’t pleasant. Spark TestingĪs we’ll have a helper cranking over the engine, that means the blade will be spinning, and even though the engine’s not running, it can still remove body parts, so, you know! With all the tools gathered and a helper on hand, we’ll get right to it. It can be difficult to crank over the engine and, at the same time, check for spark. You’ll also need a helper, as we’re not using a spark testing tool. Tools neededįor these tests, you’ll need a plug spanner, insulated pliers, screwdrivers, and a spark plug is useful. If you need video help, check out the mower “Mower spark test video,” where I cover the whole process. Spark testing is, as you know, a simple test, you won’t need any special tools here, but a spark testing tool does make the job easier and totally foolproof. However, it’s worth pointing out, getting this test wrong can lead to misdiagnosing and replacing the ignition coil or other parts unnecessarily. Since you’ve checked the spark already, I’m guessing you know the procedure. ![]()
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