Scan a check-engine light, describe a noise, or paste a trouble code — and get a clear, plain-English read on what’s wrong, how serious it is, and what to do next. Built for owners, not mechanics.
A warning light, a noise, a rough idle, or a trouble code straight off your OBD-II scanner.
Likely causes ranked by probability, how urgent it is, and what it usually takes to fix.
Look up fit-matched parts, or find a trusted shop nearby when you’d rather hand it off.
No jargon walls. Describe the problem in your own words and get reasoning you can actually follow.
Keep every vehicle in one place — mileage, service history, and stats that stay with you.
A searchable library of P, C, B and U codes — instant lookups, no AI needed.
Fit-matched parts for your exact vehicle and nearby shops when you want a pro.
Free to use, right in your browser. No account needed to start.