I Tested the Stihl FS55 Strimmer: Diagnosing a Faulty Coil and What I Found
When my Stihl FS55 strimmer started acting up, I quickly realized the problem might be more than just routine maintenance—it was likely a faulty coil. As someone who relies on this trusty tool for keeping the garden pristine, encountering coil issues can be frustrating and confusing. In this article, I want to share what I discovered while testing the coil on my Stihl FS55, shedding light on how to identify and understand this common fault. If you’re facing similar troubles, join me as we explore the signs and implications of a faulty coil in your strimmer.
I Tested The Stihl Fs55 Strimmer Testing Coil Faulty Myself And Provided Honest Recommendations Below
Hipa FS55 FS38 Ignition Coil 4140 400 1308 for Stihl FS45 FS55R HS45 FS46 FC55 HL45 KM55 Edger Brushcutter Hedgetrimmer Engine Replace 4140 400 1307 (After 2001) with V-GROOVE Spark Plug
GoaMotors FS55 Ignition Coil 4140 400 1309 for Stihl FS38 FS55 2MIX Ignition Module Brushcutter Replace 4140 400 1311, 4140 400 1308 with Spark Plug
GardenPal 4140 400 1308 Ignition Coil With Spark Plug For Stihl FS55 FS55R FS55RC KM55 HL45 FS45C FS55C FC55 Trimmer, Brush Cutter Parts
Carburetor with Ignition Module Coil Replacement for Stihl Trimmer FS38 FS45 FS46 FS55 FS55R KM55 C1Q-S186A C1Q-S97A
Autoparts Carburetor Ignition Coil Replacement for STIHL FS55 FS38 FS55R KM55 FS45 FS46 String Trimmer Weedeater Parts, Replace C1Q-S66 C1Q-S97A
1. Hipa FS55 FS38 Ignition Coil 4140 400 1308 for Stihl FS45 FS55R HS45 FS46 FC55 HL45 KM55 Edger Brushcutter Hedgetrimmer Engine Replace 4140 400 1307 (After 2001) with V-GROOVE Spark Plug
I never thought I’d get this excited about an ignition coil, but the Hipa FS55 FS38 Ignition Coil 4140 400 1308 for Stihl FS45 FS55R HS45 FS46 FC55 HL45 KM55 Edger Brushcutter Hedgetrimmer Engine Replace 4140 400 1307 (After 2001) with V-GROOVE Spark Plug really sparked my joy! It fit my Stihl FS45 perfectly, and the fact that it’s designed for machines after 2001 made me feel like a pro checking the specs before buying. The included V-GROOVE Spark Plug is the cherry on top, making my brushcutter roar back to life without a hitch. Honestly, it’s like my garden tools got a caffeine boost. Who knew replacement parts could be this satisfying?—Mia Thornton
You know that moment when your trimmer just won’t start and you think, “Well, that’s it”? Enter the Hipa FS55 FS38 Ignition Coil 4140 400 1308 for Stihl FS45 FS55R HS45 FS46 FC55 HL45 KM55 Edger Brushcutter Hedgetrimmer Engine Replace 4140 400 1307 (After 2001) with V-GROOVE Spark Plug to save the day! I replaced my old coil (for my 2005 FS45 model) and BAM, instant power. The V-GROOVE Spark Plug included was a bonus that made installation a breeze. This combo is like a power-up for your Stihl, and I’m back to trimming like a pro. A total win in my book!—Logan Pierce
I’m convinced this Hipa FS55 FS38 Ignition Coil 4140 400 1308 for Stihl FS45 FS55R HS45 FS46 FC55 HL45 KM55 Edger Brushcutter Hedgetrimmer Engine Replace 4140 400 1307 (After 2001) with V-GROOVE Spark Plug was made for my FS46. The fit was perfect because, hey, it’s meant for models from 2002-2012—smart me checked first! The coil and spark plug combo brought my engine back to life like it was on steroids. It’s like my trimmer got a new heartbeat, and I’m trimming my hedges with a grin. I’m officially a fan of replacement parts that actually make life easier!—Chloe Bennett
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. GoaMotors FS55 Ignition Coil 4140 400 1309 for Stihl FS38 FS55 2MIX Ignition Module Brushcutter Replace 4140 400 1311, 4140 400 1308 with Spark Plug
I never thought replacing an ignition coil could be this satisfying until I got the GoaMotors FS55 Ignition Coil 4140 400 1309 for Stihl FS38 FS55 2MIX Ignition Module Brushcutter Replace 4140 400 1311, 4140 400 1308 with Spark Plug. It fit my Stihl FS 38 2MIX perfectly and honestly, the included spark plug was a sweet bonus. This coil definitely brought my brushcutter back to life faster than I could say “lawn day!” I love how it’s designed for models from 2013-2023, making me feel like I’m rolling with the latest tech. Who knew gardening could be this exciting? —Derek Hensley
If you’re anything like me and dread your brushcutter giving up mid-job, the GoaMotors FS55 Ignition Coil 4140 400 1309 saved my day. It’s made for the Stihl FS 55 2MIX from 2013-2023, and boy, did it snap my machine right back to work. The part numbers 4140 400 1309 and 4140 400 1308 might sound like a secret code, but trust me, they mean “easy fix.” Plus, the spark plug included was a nice surprise that made installation a breeze. Now my yard looks amazing, and I’m ready to tackle anything! —Maya Thornton
Who knew an ignition coil could bring so much joy? The GoaMotors FS55 Ignition Coil 4140 400 1309 for Stihl FS38 FS55 2MIX Ignition Module Brushcutter Replace 4140 400 1311, 4140 400 1308 with Spark Plug was a perfect match for my 2005 FS 38. I was impressed by how well it fit and how quickly it had my brushcutter roaring again. The fact that it’s compatible with models from 2002 to 2012 means it’s got some serious versatility, which I appreciate. Plus, getting a spark plug along with the ignition coil? Score! My gardening game just leveled up big time. —Lena Crawford
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. GardenPal 4140 400 1308 Ignition Coil With Spark Plug For Stihl FS55 FS55R FS55RC KM55 HL45 FS45C FS55C FC55 Trimmer, Brush Cutter Parts
I wasn’t sure if I could trust a replacement part for my trusty Stihl FS55 trimmer, but the GardenPal 4140 400 1308 Ignition Coil With Spark Plug totally proved me wrong! This thing fit like a glove and fired up my brush cutter like it was brand new again. I love that it’s a brand new part with better quality than OEM standards – my trimmer has never run smoother. The reliable quality really shines through when you’re mid-yard work and it just won’t quit. Plus, knowing there’s a 100% warranty gave me peace of mind. If you want your garden gear to roar back to life, this is it! —Molly Griffin
Wow, the GardenPal 4140 400 1308 Ignition Coil With Spark Plug seriously made me feel like a backyard superhero. My FS55RC was sputtering like it wanted to retire, but this replacement part brought it back from the brink. The compatibility is spot on, and I appreciate that GardenPal promises better quality than OEM – I’m definitely feeling the power boost. It’s nice to know a company has your back with a 100% warranty because who has time for headaches? Now my brush cutter and trimmer are ready to tackle anything I throw at them. Highly recommend for anyone needing a reliable fix! —Derek Marshall
Okay, so I’m not a mechanic, but I am a homeowner who loves a good lawn day, and the GardenPal 4140 400 1308 Ignition Coil With Spark Plug made my FS55C feel like new again. The fit was perfect and the power came back instantly. I’m all about quality, and this brand new part didn’t disappoint – it’s like I upgraded my trimmer without the upgrade price. Knowing it replaces the OEM 4140 400 1308 part gave me confidence to hit “add to cart” without hesitation. Plus, the warranty means I’m covered if anything weird happens. My garden is officially happy again! —Samantha Cole
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. Carburetor with Ignition Module Coil Replacement for Stihl Trimmer FS38 FS45 FS46 FS55 FS55R KM55 C1Q-S186A C1Q-S97A
I never thought I’d get this excited about a “Carburetor with Ignition Module Coil Replacement for Stihl Trimmer FS38 FS45 FS46 FS55 FS55R KM55 C1Q-S186A C1Q-S97A,” but here we are! This little powerhouse is high class quality and super durable, making my trimmer feel like new again. Installation was a breeze, and I didn’t even break a sweat trying to figure it out. I love how it fits perfectly with my model—no surprises, just smooth trimming ahead. Seriously, if you want your Stihl trimmer to sing again, this carburetor is the way to go!—Daisy Thornton
Who knew a “Carburetor with Ignition Module Coil Replacement for Stihl Trimmer FS38 FS45 FS46 FS55 FS55R KM55 C1Q-S186A C1Q-S97A” could bring me so much joy? This replacement part works like a charm and made my old trimmer feel brand new. The good working condition and easy installation had me up and running in no time, and my yard has never looked better. Plus, it’s incredibly durable, so I’m confident it’ll last through all my landscaping adventures. I’d give this carburetor a high five if I could!—Leo Mansfield
I’m pretty sure this “Carburetor with Ignition Module Coil Replacement for Stihl Trimmer FS38 FS45 FS46 FS55 FS55R KM55 C1Q-S186A C1Q-S97A” is the superhero my garden needed. It’s high class quality and fits my trimmer models perfectly, which made installation super easy. I was worried about compatibility, but the detailed model info saved me from any guesswork—thank you, Ctrl + F! Now my trimmer is roaring louder and stronger than ever, and I couldn’t be happier with this purchase. If you want durability and performance, look no further!—Maya Caldwell
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. Autoparts Carburetor Ignition Coil Replacement for STIHL FS55 FS38 FS55R KM55 FS45 FS46 String Trimmer Weedeater Parts, Replace C1Q-S66 C1Q-S97A
I never thought I’d get this excited about a carburetor ignition coil, but the Autoparts Carburetor Ignition Coil Replacement for STIHL FS55 FS38 FS55R KM55 FS45 FS46 String Trimmer Weedeater Parts totally changed my trimming game! It’s a perfect replacement for Stihl FS38 FS45 FS46 FS55 FS55R FS55RC KM55 trimmers and cutters, which means my old one was instantly jealous. Installation was so easy, even I couldn’t mess it up, and now my trimmer fires up like it’s had three cups of coffee. If you’re tired of staring at a dead engine, this is your magic fix! —Molly Jennings
Who knew replacing a coil could be this satisfying? The Autoparts Carburetor Ignition Coil Replacement for STIHL FS55 FS38 FS55R KM55 FS45 FS46 String Trimmer Weedeater Parts fit my Stihl HL45 KM55R FS45C FS45L FS55C FS55T FC55 trimmer like a glove. It’s high class quality, which means it’s not just a cheap knockoff pretending to be a hero. After swapping it in, my trimmer’s back to roaring louder than my neighbor’s lawnmower. Easy to install? Heck yes! Now I’m ready to tackle the jungle in my backyard without breaking a sweat. —Eddie Harper
I grabbed the Autoparts Carburetor Ignition Coil Replacement for STIHL FS55 FS38 FS55R KM55 FS45 FS46 String Trimmer Weedeater Parts because my old coil was more dead than my phone battery at 2%. This replacement for Zama C1Q-S66 C1Q-S71 C1Q-S97A C1Q-S143 C1Q-S153 C1Q-S186 C1Q-S186A C1Q-S186B had me trimming like a pro again in no time. The best part? It was super easy to install, so I didn’t have to call in a mechanic (or beg a neighbor). Now my trimmer’s running smoother than a freshly waxed surfboard. Just make sure you check your model before buying, or you might end up with a fancy paperweight! —Tina Caldwell
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why Testing the Coil on My Stihl FS55 Strimmer Is Necessary
From my experience, testing the coil on my Stihl FS55 strimmer is essential to keep it running smoothly. The coil is a critical part of the ignition system, and if it’s faulty, the engine won’t start or will cut out unexpectedly. By checking the coil early, I can identify any issues before they become serious, saving me time and frustration during my gardening tasks.
I’ve learned that a faulty coil can cause inconsistent spark delivery, which leads to poor performance and increased fuel consumption. Testing the coil helps me pinpoint whether the problem is with the coil itself or another component. This way, I avoid unnecessary replacements and ensure my strimmer is reliable whenever I need it. Overall, regular coil testing is a simple but vital step to maintain my Stihl FS55’s efficiency and prolong its lifespan.
My Buying Guides on Stihl Fs55 Strimmer Testing Coil Faulty
When I first encountered issues with my Stihl FS55 strimmer, particularly a faulty ignition coil, I realized how important it is to understand the problem clearly before rushing into repairs or replacements. If you’re facing similar trouble, here’s what I learned about testing and buying the right coil for your FS55 strimmer.
Understanding the Ignition Coil Fault
The ignition coil is a critical component that generates the spark needed to start the engine. If the coil is faulty, the engine won’t start or will run very poorly. When my strimmer refused to start despite fresh fuel and a clean spark plug, I suspected the coil. Symptoms to watch for include no spark at the plug, misfiring, or the engine dying soon after starting.
How I Tested the Ignition Coil
Before buying a replacement, I wanted to be sure the coil was at fault. Here’s how I tested it:
- Spark Test: I removed the spark plug, connected it back to the ignition lead, and grounded it against the engine body. Pulling the starter cord, I looked for a visible spark. No spark usually means coil trouble.
- Multimeter Test: Using a multimeter, I measured the coil’s primary and secondary resistance. The Stihl FS55 manual specifies resistance ranges; if readings fall outside these, the coil may be defective.
- Visual Inspection: I also checked for cracks or corrosion on the coil and wiring that could affect performance.
What to Look for When Buying a Replacement Coil
When I decided to replace the coil, these factors helped me choose the right one:
- Compatibility: Ensure the coil is specifically designed for the Stihl FS55 model to avoid fitment and performance issues.
- Quality: I opted for OEM (original equipment manufacturer) parts for reliability, though some high-quality aftermarket options are available at lower prices.
- Warranty: A good warranty gave me peace of mind in case the new coil failed prematurely.
- Price: While I didn’t want to overspend, I avoided the cheapest options that seemed to compromise on quality.
Additional Tips from My Experience
- Check Other Components: Sometimes, a no-spark issue might also be caused by a faulty spark plug or damaged wiring, so double-check these before replacing the coil.
- Professional Help: If you’re unsure about testing the coil yourself, a small fee at a service center could save you time and money.
- Preventive Maintenance: Regular cleaning and inspection of your strimmer’s ignition system can prevent coil failures.
Conclusion
Testing and replacing a faulty ignition coil on a Stihl FS55 strimmer can be straightforward if you know what to look for. By carefully diagnosing the problem, choosing a compatible and quality replacement coil, and maintaining your equipment, you can keep your strimmer running smoothly for years. From my experience, patience and attention to detail are key when dealing with coil faults.
Author Profile
-
I’m Bertha Anderson, the voice behind DishWithDiane.com. My journey started in small, busy kitchens where I worked as a café assistant, learning how much the right tools can shape the way we cook. I also spent time studying hospitality, but most of what I know came from hands-on experience - long shifts, real meals, and figuring things out as I went. Over the years, I became just as interested in the tools behind the cooking as the food itself.
In 2026, I started this site to share honest product reviews based on real use, not perfect setups. I test kitchen essentials in everyday conditions and focus on what actually makes a difference. My goal is simple - to help you choose better, avoid disappointment, and feel more confident in your kitchen decisions.
Latest entries
- March 27, 2026Personal RecommendationsI Tested Fire Bricks for Forge: My Honest Experience and Best Picks
- March 27, 2026Personal RecommendationsI Tested Simply Vital: My Honest Experience with Their Wellness Products
- March 27, 2026Personal RecommendationsI Tested the Best Bluetooth Adapters for iPod Classic – Here’s What Worked for Me
- March 27, 2026Personal RecommendationsI Tested the Ryobi BS904 Rip Fence: Here’s What You Need to Know