Emissions & Inspection Stations

Find official state inspection rules and map a real station near your ZIP. We do not invent a local shop list.

πŸ—ΊοΈState Emissions Requirements

California (SMOG Check)

Most stringent - CARB standards. Required every 2 years or upon sale. Cost: $30-$70

Texas (TCEQ)

Required in major metro areas (DFW, Houston, Austin, etc.). Annual. Cost: $25-$40

New York

OBD-II inspection for 1996+ vehicles. Annual with safety inspection. Cost: $21-$37

No Testing Required

Many states: Alabama, Arkansas, Alaska, Florida, Iowa, Kansas, Kentucky, Michigan, Minnesota, Mississippi, Montana, Nebraska, North Dakota, Oklahoma, South Carolina, South Dakota, Wyoming

View EPA State Requirements Guide

βœ…Pre-Inspection Checklist

Do these before your emissions test to avoid failing:

Check Engine Light OFF

Any illuminated CEL = automatic fail

Drive 50-100 miles before test

Resets emissions monitors if battery was disconnected

Gas cap tight & sealing

Loose cap triggers EVAP codes

Oil recently changed

Dirty oil can affect emissions

Engine fully warmed up

Drive 15-20 min before test for best results

Tires properly inflated

Required for dyno testing in some states

πŸ”§What If You Fail the Emissions Test?

1. Get the Failure Report

The report lists specific codes or issues. Common: P0420 (catalytic converter), EVAP leaks, O2 sensor failures.

2. Repair the Issue

Fix the problem, then drive 50-100 miles to reset monitors before retesting.

3. Retest (Often Free)

Many states offer free retest within 30 days at the same station.

πŸ’‘ Repair Cost Waiver Programs

Many states offer waivers if you spend $450-$850+ on repairs and still fail. Check with your state's DMV for eligibility.

Find a real station

We do not publish a fake shop list. Use Google Maps or your state’s official program for stations that actually exist.

Need parts to pass the inspection?

Catalytic converters, O2 sensors, EVAP parts, and more β€” after you know the fail code.