Building your maintenance schedule...
Describe your symptoms. MisfireAI diagnoses your car with probability-ranked causes, step-by-step DIY repair guides, and direct links to the exact parts — in under 30 seconds.
Year, make, model, mileage. Select symptoms or describe in plain English. Add your OBD code if you have one.
MisfireAI cross-references your symptoms against thousands of failure patterns — returning probability-ranked diagnoses specific to your exact vehicle.
Step-by-step instructions, tools needed, difficulty rating, shop labor estimate, and direct Amazon parts links. Everything you need.
Probability-ranked diagnoses with full repair guides, difficulty ratings, cost estimates, shop labor comparisons, and pro tips most DIYers miss.
Full vehicle spec sheet from any 17-character VIN — year, make, model, trim, engine, body style, drive type, manufacturing plant.
AI-generated maintenance timeline from your mileage. Color-coded overdue, due soon, and upcoming services specific to your vehicle.
Instant NHTSA recall lookup by year/make/model. Know if your vehicle has an open safety recall — and exactly what the fix is.
Every diagnosis saved to your account. Track issues over time, share with your mechanic, and build a complete vehicle health record.
Every repair linked to the exact part on Amazon. One click to order what you need — no searching, no wrong fitment.
"Diagnosed my F-150's rough idle as a bad coil pack in 20 seconds. Saved $400 at the shop. Ordered the part and fixed it that afternoon."
"I know nothing about cars. Described the shaking and got 3 ranked causes with exact steps. Top one was right. Fixed it for $60 in my driveway."
"As a mechanic I use this to explain issues to customers. The cost breakdowns and difficulty ratings help them understand what they're paying for."
No signup required. 3 free diagnoses every month, forever.
Describe your symptoms — get probability-ranked causes with full repair guides.
Upgrade to Pro for unlimited diagnoses, full history, maintenance scheduling, and PDF reports.
Decode any 17-character VIN for full vehicle specs and production details.
AI-generated maintenance timeline based on your vehicle and mileage.
| Service | Category | Interval | Due At | Status |
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Check for open NHTSA safety recalls. Know before it's too late.
All your saved diagnoses. Click any to reload the full results.
Manage your plan, preferences, and profile.