Emission Service

(972) 264-7000

520 W Pioneer Pkwy, Grand Prairie, TX 75051


emmissions & smog testing

Proper maintenance of the exhaust and emissions systems is important for the environment, as well as your safety. These systems draw the waste products of combustion, hot exhaust gases, away from the engine and into the atmosphere.

Smog testing is crucial for both environmental health and vehicular performance. By assessing and controlling emissions, it helps reduce air pollution and ensures compliance with environmental regulations. Regular smog testing not only contributes to cleaner air but also identifies potential issues in your vehicle's engine, leading to improved fuel efficiency and overall performance. Prioritizing smog testing is a responsible choice for both the environment and your vehicle's longevity.

When to Perform Emissions & Smog Testing:
  1. Follow state or local regulations

  2. When purchasing a used vehicle

  3. After making significant engine modifications or repairs

  4. If your vehicle fails an emissions test or the check engine light indicates an emissions issue

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Signs it's Time to Check Your Emissions

Illuminated Check Engine Light

The check engine light on your dashboard is a primary indicator of potential emission-related issues. A diagnostic scan can pinpoint specific problems within the emission control system.

Failed Emissions Test

If your vehicle fails an emissions test during an inspection, it's a clear indication that the emission control system may not be operating within the required parameters.

Unusual Exhaust Smoke

An increase in visible exhaust smoke, particularly dark or colored emissions, may suggest problems with the combustion process or malfunctioning emission control components.

Rough Idling or Stalling

Irregular idling, stalling, or engine hesitation can be linked to emission system issues, affecting the air-fuel mixture and combustion efficiency.

Strange Odors from Exhaust

Unusual smells emanating from the exhaust, such as a rotten egg odor, can indicate issues with the catalytic converter or other emission control components.

Reduced Fuel Efficiency

A sudden decrease in fuel efficiency without an apparent reason may point to problems with the emission control system, impacting the combustion process.

Elevated Engine Temperature

Overheating of the engine may be linked to emission system malfunctions, such as a failing coolant temperature sensor or issues with the catalytic converter.

Visible Fluid Leaks

Visible leaks of fluids, especially near the exhaust system or catalytic converter, may indicate a problem with emission control components. Prompt inspection is crucial to prevent further damage.

Acceleration Issues

Difficulty in acceleration or a significant decrease in power during acceleration can be attributed to emission system problems affecting engine performance.

High Mileage and Age

With higher mileage or an aging vehicle, emission system components may wear out. Regular checks become essential to ensure compliance with emission standards.