How does the AI car diagnosis tool work?

You describe your car symptoms — such as engine noise, warning lights, or performance issues — select your vehicle make, model and year, and our AI instantly analyzes the most likely causes ranked by probability, along with repair costs and step-by-step DIY instructions.

Is the car diagnosis tool free?

Yes. WhatIsWrongWithMyCar.com is completely free. There are no subscriptions or hidden fees. You get full access to AI diagnosis, OBD2 code lookup, repair cost guides, and DIY repair instructions at no charge.

What car problems can the AI diagnose?

Our AI can diagnose over 100 common car problems including engine misfire, check engine light, transmission slipping, grinding brakes, car won't start, overheating, oil leaks, battery issues, suspension noise, and OBD2 fault codes like P0300, P0420, and P0171.

How accurate is the AI car diagnosis?

The AI is trained on automotive repair data and ranks causes by likelihood based on your specific symptoms and vehicle. For most common problems, accuracy is high. However, a professional mechanic inspection is always recommended for safety-critical repairs.

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