All GearVerify Tools
Free tools for vehicle verification, recalls, diagnostics, tires, and product safety. No account required.
Featured
Vehicle Verification
Diagnostics
OBD-II Code Lookup
Search check engine light codes. Covers P0, P2, P3, B, C, U.
P0420 Catalyst System
Causes, severity, diagnosis steps, and repair estimates.
P0300 Misfire Detected
Random misfire codes — what they mean and next steps.
P0171 System Too Lean
Fuel system issue — causes, diagnostics, and repair tips.
P0455 EVAP Gross Leak
Evaporative emission system gross leak — causes and fixes.
P0442 EVAP Small Leak
Small vapor leak detected — diagnosis and repair guidance.
P0430 Catalyst Efficiency
Bank 2 catalyst below threshold — causes and next steps.
P0128 Thermostat Issue
Engine not reaching operating temperature — causes and fixes.
P0011 Cam Timing Advance
Variable valve timing over-advanced — diagnosis steps.
P0101 MAF Range/Performance
Mass air flow sensor out of range — causes and diagnostics.
P0700 Transmission Fault
Transmission control system fault — what it means and next steps.
Tire & Wheel
Tire Size Calculator
Calculate sidewall, diameter, circumference, and revs/mile from a size code.
Tire Size Comparison
Compare two tire sizes side by side with visual diff indicators.
Speedometer Error Calculator
See how tire size changes affect your speedometer reading.
Wheel Offset Calculator
Check inner and outer clearance when changing wheel offset.
Towing & Capacity
Product Safety
Product Recall Checker
Search the CPSC recall database by keyword, brand, or hazard pattern.
Baby Product Recall
Check strollers, car seats, cribs, and other baby gear.
Toy Recall Checker
Check recalled toys by name or brand.
Battery Recall Checker
Check battery and battery-charger recalls by brand.
Coming Soon
Electronics
FCC ID lookup, charger safety, TV sizing, and PPI checks.
Appliances
Energy cost calculator, AC sizing, and appliance recalls.
Food Recalls
FDA and USDA recall search by barcode, brand, or allergen.
Outdoor & Gear
Helmet safety, generator recalls, and power station checks.
Home Safety
Smoke/CO detector checks, extension cord safety, space heaters.
Baby & Family
Car seat checks, gear recalls, and family safety checklists.