Stihl bad coil symptoms. I'm assuming the coil has gon...


  • Stihl bad coil symptoms. I'm assuming the coil has gone bad, but I am not sure. The saw starts ideling very fast! A dodgy coil will either fail or will break down at high revs either stopping the saw or making it cut out and splutter at high revs. I usually look for either a short or an open circuit on a coil. The coil/ignition was working fine prior to the rebuild, and it was not touched while I was working on the saw, so I have no idea why the sudden problem. Often bogs down under throttle. The symptoms you have don't sound like coil faults to me. Discover 3 pro tips for accurate results and keep your equipment running smoothly! Stihl makes several types of equipment that withstand high usage for professionals or homeowners who require extra power, dependability and longevity of their power tools. Look for any potential air leak, loose bolts etc. Jan 28, 2026 · Diagnosing a faulty ignition coil, however, can be challenging. Carb adjustment is most likely your issue. Dec 30, 2025 · Usually a coil either works or it doesn't. Jan 20, 2024 · Stihl ignition coil problems can impact the effectiveness of your chainsaw. ??? (non point system). thanks Usually on the 488,the coil goes bad,very rarely the exciter. This is a hack that will save you enormous amounts of time and prevent you from buying unnecessary parts! these are all good tips , thanks, my saw is already tore down and not runable. If you do get it started and it repeats the symptoms, check your coil when hot. I have a bunch of coils out of saws that were scrapped. Is it common for these modules to suddenly die, or am I likely looking at a different problem altogether? Learn how to test a Stihl ignition coil with a multimeter. New spark plug, New aftermarket carb/filter last year, and Fresh fuel. #ChainsawRepair #IgnitionCoil #StihlAn inexpensive diy chainsaw repair on a Stihl is replacing a bad ignition coil. Engines on Stihl trimmers, chainsaws, blowers, edgers and cultivators are two-cycle. Without having to put them back into a saw and try it with a spark HOW TO DIAGNOSE A BAD COIL ON JUST ABOUT ANY SMALL ENGINE! THEMOWERMEDIC1 152K subscribers Subscribe Replacing the ignition coil: Follow a step-by-step guide to safely and effectively replace your Stihl ignition coil. The symptoms of a faulty ignition coil can include reduced engine power, poor fuel efficiency, difficulty starting the engine, engine stalling or hesitation, and complete engine failure. Just want to test them to make sure they still work. By reading through this blog, you will learn the symptoms of a bad ignition coil and how to replace it with an OEM-quality ignition coil step by step. Jun 7, 2025 · Learn the most common symptoms of a bad ignition coil in small engines. Therefore it is important to use a multimeter in order to test whether there are any circuit breaks in your Stihl ignition coil. If your chainsaw has trouble starting, stops operating when it heats up, makes spluttering sounds, or exhibits unusual vibration or jerking, it’s likely that the coil is at fault. Fresh gas with stabil is always good. These issues often manifest as failure to start, subpar performance, or intermittent running, issues which can disrupt your work rhythm and make tree cutting a herculean task. Are these symptoms of a failing ignition coil? Stihl FS85. how do members test ignition coils?? How do members bench test ignition coils out of the saw. Jul 27, 2025 · Discover 5 expert tips to diagnose a bad chainsaw coil. Learn the signs, symptoms, and solutions to keep your chainsaw running smoothly and efficiently! Make sure that the plug wire is twisted in the coil good and firm, and that there are no weak spots or breaks along the wire, and it's connected to the spark plug connector well. Probably the original ignition coil. . Discover how to troubleshoot and replace a faulty coil for better engine performance. Try a new plug and make sure air cleaner is clean. While professional repair shops offer this service, understanding how to test the coil yourself using a multimeter can save you time, money, and the frustration of a broken machine. what do you think? The exciter coil is closer to the muffler, is this a clue or not relvent. In a shop? $150. I guess what i need to know is which coil do i need to try first, exciter coil or the ignition coil. Starts but takes 8-10 pulls to get it moving. DIY? Less than $15 a A telltale sign of a bad chainsaw coil includes a range of symptoms. Chainsaw won’t start? Or Chainsaw stops after starts? There must be something wrong with the ignition module. Check the rubber boot for splits and then the carb for dirt. Ignition coil problems are very common in Stihl chainsaws and they are mainly caused by circuit breaks in the ignition coil. Stihl Ignition Coil Repair: 5 Pro Tricks for Consistent Spark The ignition coil is a vital component in your Stihl chainsaw, responsible for generating the high-voltage spark that ignites the fuel-air mixture in the cylinder. Simple Trick To Diagnose A Bad Ignition Module (Coil) On A Lawnmower, Chainsaw, Weedeater Etc. pru4eh, j53zvu, g8vf, nmsht, 8bga, qf4i, kkxcuw, 3pcnp, bbf7u, ytek4,