Repair Cost Calculator
Estimate cheap, typical and expensive repair paths for common OBD2 faults with parts and labor context.
Interactive preview
Rule-based guidance, not a final repair diagnosis.
Suggested direction
Cheap path: exhaust leak or O2 wiring repair. Typical path: oxygen sensor or exhaust repair. Expensive path: catalytic converter only after live-data proof.
This tool helps prioritize checks. Safety-critical symptoms, fuel leaks, brake faults and flashing check engine lights should be inspected by a qualified technician.
How to use this tool safely
- Save the original code and freeze-frame data before clearing anything.
- Use the result as an inspection order, not as proof that a part is bad.
- Confirm power, ground, signal, vacuum, pressure or mechanical condition before replacing expensive parts.