🧰Free small engine tools
Practical, free tools for small engine owners — diagnose a problem, estimate a repair, and keep your equipment running. Then find a verified shop near you if you need one.
Repair Cost Estimator
Estimate what a repair should cost — and whether it’s worth fixing or replacing.
Open tool →Why Won’t It Start?
Answer a few questions to find the likely cause, what to try, and the typical fix cost.
Open tool →Maintenance Schedule
A tailored upkeep checklist by equipment — before each use, seasonally, and for storage.
Open tool →Repair vs Replace Calculator
Got a quote? Enter it and find out whether fixing your equipment makes financial sense — or whether replacing is smarter.
Open tool →What Kind of Shop Do I Need?
Authorized dealer or independent shop? Answer a few questions to get a clear recommendation for your equipment and brand.
Open tool →Start with the symptom
If the engine runs but something specific is wrong, use a guided diagnosis before estimating costs. Our symptom checks cover common problems such as a surging generator, a pressure washer with no pressure, a mower that starts and dies, and a chainsaw chain that will not move. Each path starts with safety checks, then explains likely causes, realistic repair costs, and when shop service is the better choice.
Diagnose a specific problem →Choose the right tool
Use the no-start diagnostic when the engine will not run at all. Use the cost estimator before calling a shop, or the repair-or-replace calculator after receiving a quote. The maintenance checklist helps prevent repeat fuel, spark plug, and storage problems. If warranty coverage or brand-specific parts matter, the shop finder explains whether to call an authorized dealer or an independent repair shop.
Browse repair guides →When a repair shop makes more sense
Stop troubleshooting if you find leaking fuel, exposed wiring, severe vibration, grinding, smoke, or damaged guards. Those symptoms can turn a manageable repair into a safety risk or a more expensive failure. A local shop can also save time when a repair requires model-specific parts, electrical testing, internal engine work, or warranty service.
Find a repair shop by state →