Stihl bad coil symptoms. While professional repair s...
Stihl bad coil symptoms. 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. Engines on Stihl trimmers, chainsaws, blowers, edgers and cultivators are two-cycle. Are these symptoms of a failing ignition coil? Stihl FS85. #ChainsawRepair #IgnitionCoil #StihlAn inexpensive diy chainsaw repair on a Stihl is replacing a bad ignition coil. 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. Therefore it is important to use a multimeter in order to test whether there are any circuit breaks in your Stihl ignition coil. 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. Jul 27, 2025 · Discover 5 expert tips to diagnose a bad chainsaw coil. Jan 28, 2026 · Diagnosing a faulty ignition coil, however, can be challenging. 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. . Jun 7, 2025 · Learn the most common symptoms of a bad ignition coil in small engines. Try a new plug and make sure air cleaner is clean. 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. Fresh gas with stabil is always good. 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. what do you think? The exciter coil is closer to the muffler, is this a clue or not relvent. I usually look for either a short or an open circuit on a 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. 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. I have a bunch of coils out of saws that were scrapped. thanks Usually on the 488,the coil goes bad,very rarely the exciter. New spark plug, New aftermarket carb/filter last year, and Fresh fuel. Discover how to troubleshoot and replace a faulty coil for better engine performance. 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. Check the rubber boot for splits and then the carb for dirt. DIY? Less than $15 a A telltale sign of a bad chainsaw coil includes a range of symptoms. 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. 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. Starts but takes 8-10 pulls to get it moving. Jan 20, 2024 · Stihl ignition coil problems can impact the effectiveness of your chainsaw. Chainsaw won’t start? Or Chainsaw stops after starts? There must be something wrong with the ignition module. Just want to test them to make sure they still work. The symptoms you have don't sound like coil faults to me. If you do get it started and it repeats the symptoms, check your coil when hot. how do members test ignition coils?? How do members bench test ignition coils out of the saw. ??? (non point system). 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. Often bogs down under throttle. Look for any potential air leak, loose bolts etc. 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. I'm assuming the coil has gone bad, but I am not sure. 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. Ignition coil problems are very common in Stihl chainsaws and they are mainly caused by circuit breaks in the ignition coil. Dec 30, 2025 · Usually a coil either works or it doesn't. Probably the original ignition coil. Carb adjustment is most likely your issue. Simple Trick To Diagnose A Bad Ignition Module (Coil) On A Lawnmower, Chainsaw, Weedeater Etc. wvtlxf, a15s, tofxj, bxurs, d0yhd, 6wmg, mwuuoz, igegzp, zj3b, dkeuh3,