How do smog test

This is usually done during refueling. However, extra additives can help your car pass the test. Drive 20 minutes before the test. If the testing facility is around the corner from your house, avoid going there immediately.

Take the test at a registered facility. Some of the stations may even be able to repair your car after the test. Take the test results to a repair shop if the car fails. At the end of the test, the technician will give you a printout. Hand the printout to a repair shop so the technicians there can diagnose your car and make any necessary repairs. Retake the smog test until the car passes.

Adjust the car as needed, then return to the testing facility. Continue doing this until your car officially passes the test. Tom Eisenberg Auto Technician. Tom Eisenberg. During the test, someone will hook up a meter to your car's exhaust and engine and make sure your vehicle's catalytic converter is doing its job.

Yes No. Not Helpful 0 Helpful 1. If you fail, you'll have to get your vehicle repaired until your emissions are at a reasonable level. You can then get your vehicle tested again. The frequency depends on what state you live in. Check with your state's DMV for more information.

Not Helpful 0 Helpful 0. Include your email address to get a message when this question is answered. Related wikiHows How to. How to. Auto Technician. Expert Interview. More References 6. About This Article. My car is new. Do I still have to get a smog inspection when I renew my registration? Where can I get a smog inspection? What is a STAR station? What if my car fails the smog inspection? Do I have to get a smog inspection when I renew my registration?

A family member gave me a car. Do I have to get a smog inspection? If I sell my car, do I have to get it inspected first? Is there a military exemption from the smog inspection? Renew Your Registration Renew your vehicle registration online and review guidelines and requirements.

Renew my registration. Fees Learn more about smog inspection fees and other DMV fees. Find fees. Title Transfers If you buy or sell a vehicle, make sure you properly transfer the title. Because of the fact, the Catalytic converter has a strong influence on emissions control, the OBD system is responsible to monitor this part. Car companies have used this newly implemented technology to reduce the carbon emissions in their vehicle makes and models.

OBDII scanners can provide fast and accurate vehicle data readings to let you know if your car exceeds the federal limit for an emissions test. This will not only make driving safer but is also an important step in reducing the pollution problem. When an OBD II scanner runs a system check during the OBD emission test, it will let you know your vehicles readiness by showing flags displayed on the scan tool. Normally, a smog check will take you about 30 minutes to finish.

The computer will run through all the car systems to detect and give graphic of the data on the computers. Then a complete report will be produced to decide if your vehicle pass the smog test or not. This not-so-simple fix is not only impractical and expensive but would also contribute to the increasing waste problem.

Today, vehicles are highly sophisticated and with just those small OBD2 scan tools, they can help ensure all parts of our vehicles are running smoothly. From an environmental perspective, the benefit of the OBDII systems is that they monitor and report the status of all vehicle emissions.

So, what will help with this grand problem? What is Smog Test?