Free tools for car owners
Work out what a repair should cost, decode your check engine light, and stay ahead of maintenance. Every tool is free, works instantly in your browser, and needs no sign-up.
Car Repair Cost Estimator
Pick your vehicle type and repair, add your ZIP, and get a realistic price range with parts, labor hours and a local cost adjustment.
Open toolCheck Engine Code Lookup
Search a check engine code and get the plain-English meaning, common causes, severity, whether it's safe to drive, and a typical repair cost.
Open toolMaintenance Schedule Checker
Enter your current mileage and driving conditions to see what's due now, what's coming up, and what may already be overdue.
Open toolRepair or Replace Calculator
Enter your car's value, the repair quote, age and mileage to get a clear verdict on whether the repair is worth paying for.
Open toolReady for a real quote?
These tools tell you what a job should cost. Hidden Mechanics connects you with trustworthy, home-based mechanics near you who will tell you what it willcost — and it's free for customers to search.