AI-Powered Car Diagnostics

Stop guessing.
Know what's wrong.

Probability-ranked causes, step-by-step DIY repair guides, and direct parts links — in under 30 seconds. Free to start.

94%
Accuracy
$420
Avg Saved
30s
To Diagnose
Free
To Start

AI Diagnostic Engine

Describe your symptoms — get probability-ranked causes with full repair guides.

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🚗Vehicle Info
⚠️Symptoms
Analyzing symptoms...
Safety Notice: AI-generated diagnostic suggestions. Always verify with a qualified mechanic before major repairs. Never ignore brake or steering warnings. MisfireAI is not liable for repair outcomes.

Out of Free Diagnoses

Upgrade to Pro for unlimited diagnoses, full history, maintenance scheduling, and PDF reports.

✓ Unlimited✓ Full Guides✓ Labor Estimates✓ PDF Reports✓ Maintenance

VIN Decoder

Decode any 17-character VIN for full vehicle specs and production details.

🔑Enter VIN
Decoding VIN...

Maintenance Scheduler

AI-generated maintenance timeline specific to your vehicle.

🗓️Your Vehicle
Building your maintenance schedule...
📋Maintenance Schedule
ServiceCategoryIntervalDue AtStatus

Recall Alerts

Real-time NHTSA recall data. Look up by VIN for exact results specific to your vehicle.

⚠️Vehicle Lookup
or search by vehicle
Data pulled live from the NHTSA database — the official US vehicle safety authority.
Also add year to the Year field above and it will auto-populate makes from NHTSA.
Querying NHTSA database...

Diagnosis History

All your saved diagnoses with full results inline.

Account

Manage your plan, preferences, and profile.

🔑
Sign in to your account
Create a free account to save your diagnosis history and upgrade to Pro.