Smog Check Key Terms

Some basic terms for a vehicle smog check

Many states require smog checks, more commonly called emissions testing, although the rules vary widely from state to state. The Environmental Protection Agency set forth the regulations on tailpipe emissions for every car and truck sold in the United States. But businesses with fleets or even a single vehicle should think long-term about getting their motorized assets into a cleaner condition. Knowing about some of the basic terms associated with the smog check will help a business that wants to clean up its act on the road and promote a better tomorrow.

 

Comprehensive smog check list

Those trying to get vehicles smog checked can benefit from an overall list of factors in getting a clean bill of health.
Try: Find out about what a comprehensive smog check list looks like for California at this Passing California Smog Check resource online.

Emissions testing

Most states take their emission testing/smog check cues from standards set by the U.S. E.P.A. This federal agency looks at the nation's air quality and other environmental factors and tries to find fixes.
Try: Get more on specific E.P.A. programs for emissions controls on vehicles at this Clean Cars - Clean Air page.

CARB

The CARB or California Air Resource Board is an agency that is proactive in California for working on smog check requirements.
Try: Find out more about how CARB standards contribute to smog check testing at the state CARB website. Read more on CARB programs and initiatives at the Auto Blog.

Catalytic converter

This part of the vehicle can often add to a failing smog check grade. The purpose of the catalytic converter is to lower emissions, and a faulty one is a big factor in vehicles that don't pass.
Try: Read about the catalytic converter at SmogTips.com.

EVAP and LPFET

Smog checks also routinely cover the testing of a vehicle's fuel evaporative control or EVAP system. The LPFET or Low Pressure Fuel Evaporative Test is set up to cover this aspect of vehicle emissions.
Try: Learn more about the LPFET process and why it is done at A-Test Only.

Oxygen sensor

Another potential problem in a smog check is having a wrong fuel mix. The oxygen sensor helps determine how much oxygen goes into the fuel mix, so it's another usual suspect to check in the case of a failing smog grade.
Try: Find out about the oxygen sensor and a lot more for a vehicle smog check at AutoMedia.com.

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