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Car Smog Test

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How to Get a Smog Check
Smog checks are designed to help lower the emissions created by vehicles. The word “smog” refers to smoke and fog air pollution, which is created in large part by emissions from cars. While smog checks aren’t mandatory everywhere in the...
Should I Get a Smog Technician License?
Getting your smog technician license can help you gain more experience as a mechanic, while also earning some extra cash.
How to Get Smog Technician Certified in North Carolina
Automotive technician jobs include smog certified emissions inspectors. In North Carolina, you need to work at a licensed inspection station.
How to Get Smog Technician Certified in Washington
Automotive technician jobs include smog certified emissions inspectors. In Washington, you need to work at an authorized testing station.
How to Get Smog Technician Certified in Vermont
Automotive technician jobs include smog certified emissions inspectors. In Vermont, you need to work at a testing facility.
How to Get Smog Technician Certified in Virginia
Automotive technician jobs include smog certified emissions inspectors. In Virginia, you need to work at a certified repair facility.
How to Get Smog Technician Certified in Connecticut
Automotive technician jobs include smog certified emissions inspectors. In Connecticut, you need to work at an emissions testing station.
How to Get Smog Technician Certified in Colorado
Automotive technician jobs include smog certified emissions inspectors. In Colorado, you need to work at an emissions testing station.
How to Get Smog Technician Certified in Arizona
Automotive technician jobs include smog certified emissions inspectors. In Arizona, you need to work at an emissions testing station.
How to Get Smog Technician Certified in California
Automotive technician jobs include smog certified emissions inspectors. In California, you need to work at an emissions testing station.
Symptoms of a Bad or Failing Exhaust Clamp
If your exhaust is noisy, loose, or failing an emissions test, you may need to replace an exhaust clamp.
Symptoms of a Bad or Failing Exhaust Air Supply Tube
Common signs include exhaust leaks, engine performance issues like a reduction in power and acceleration, and increased emissions.
Symptoms of a Bad or Failing EVP Position Sensor
Common signs include poor cold start performance, the Check Engine Light coming on, and failing an emissions test.
Symptoms of a Bad or Failing EGR Temperature Sensor
Common signs include engine ping or knock, the Check Engine Light coming on, and failing an emissions test.
Symptoms of a Bad or Failing EGR Pressure Feedback Sensor
Common signs include engine performance issues like rough idle and decrease in power, failing an emissions test, and the Check Engine Light coming on.
How Is My Car Tested For Emissions?
Emissions Emissions testing is quickly becoming the norm across the US as more and more states and counties realize the need to control and monitor emissions and air quality. However, the process for testing emissions can be confusing (and it...
How Is My Car Tested For Emissions?
Emissions Emissions testing is quickly becoming the norm across the US as more and more states and counties realize the need to control and monitor emissions and air quality. However, the process for testing emissions can be confusing (and it...
Vehicle Emissions & Air Pollution
Millions Millions of Americans rely on vehicles to meet their transportation needs, but vehicles are a big contributor to air pollution. As more information is discovered on the effects of passenger vehicle pollution, technology is being developed to make cars...
How to Pass an Emissions Test
Nobody Nobody wants to fail an emissions or smog test: it means you have to figure out what caused the failure and get it fixed. Then you have to return for a re-test. Smog tests are required by most states...
How to Purchase a Used Car With Cash
Buying Buying a used car requires time, effort and a bit of legwork. First you must research the various vehicles available in your budget, read reviews, take test drives, find the exact car you want to buy, and then negotiate...

Related questions

Question
Needs to pass smog check..
If the check engine light is only coming on when your on the freeway it might be a problem that the computer is only recognizing at cruising speeds. Your best bet would be to have a certified mechanic read the...
Question
Need to pass smog test
The AC on this car is known to have failures from the compressor such as leaking lines, control module problems, and evaporator issues; there are too many possibilities to give a good diagnosis without checking it first. The smog test...
Question
Need to pass smog check
Hi, thanks for writing in. This is likely an issue related to the catalytic converter which may be the converter itself or the O2 sensor which is a sensor that monitors the productivity of the converter as it converts toxic...
Question
Need to pass smog check
Hi there. Your smog check is measured as to how efficiently your vehicle is burning fuel and air. Smog is reliant on many different components. Your EGR valve, vacuum, and also your catalytic converter are factored potential factors. I would...
Question
I need to pass smog test.
Hello. When a vehicle sits for this long there can be a number of issues keeping it from starting and running right. You do need to replace the battery, and you should replace all of the fluids before starting it...
Question
Failed smog test
Hello. The catalytic converter acts as a filter for exhaust gasses emitted from the vehicle. This purpose of this is to reduce the pollutants that are expelled into the environment. The first thing you could try is adding a catalytic...
Question
Failed smog check
Neither of these issues should cause you to fail a smog test. Smog test look at your cars emission output. The radiator might be leaking and need to be repaired but it has nothing to do with your emissions. The...
Question
Catalytic converter bad.
Catalytic converters do have a federal required warranty that most people are unaware of, talk to your dealer to find out if you are still covered. Early catalytic converter failure can be cause by other factors including coolant contamination can...
Question
Car won't pass smog.
What you do next depends on what particular part of the smog test your car failed. The car is tested for HC, CO and NOx levels. Different problems will raise the levels of different pollutants. If your car failed the...
Question
Car won't pass smog.
Hello! I will be happy to assist you. On your particular vehicle, random misfires are commonly caused by things such as low fuel pressure, a faulty oxygen sensor, bad vacuum lines, or faulty air flow sensors; a broken or loose...
Question
Can't pass smog check due to Check Engine light.
In your case I would recommend getting a second opinion. Enlist the help of a professional, such as one from YourMechanic, to scan your vehicle for trouble codes. The check engine light and the smog test failure are certainly related....
Question
Can't pass smog check
When you take your vehicle to get a smog check, the smog technician will place your Volvo through a series of tests to determine if your vehicle is polluting the environment. If your Volvo did not pass smog, they will...
Question
Smog check failed due to Oxygen sensor
Hello, thank you for writing in. The first person to tell you this was correct to a certain extent. If the system is not warmed up, the readings cannot be taken accurately. However, if the engine is warmed up and...
Question
2009 chrysler 300c timing chain recall, does this reset the computer? (I need smog test soon after)
Yes this would reset the computer monitors for your smog test to pass. You should drive the vehicle for at least a week or more driving in all types of situations. Have a mechanic scan the computer to see if...
Question
How do I get the monitors on my car ready for SMOG test?
Hi there. Take a scanner and check the computer (ECM) for any codes that could be pending. Check to see what the codes are and correct the code by performing the repair on the area that is not working or...
Question
2006 Ford Mustang has check engine light on
There are countless potential causes for your illuminated check engine light. The mechanic manually turned off the light, but it came back on because the problem has not been fixed. The first place to start is retrieval of the stored...
Question
P0010 -"A" Camshift Position Actuator Circuit/Open Bank 1 & OBD Bulb check failed on smog test - How to search for mechanic?
Hi there. The P0010 code is coming on for the VVT-I (variable valve timing with intelligence) system is malfunctioning. Changing the engine oil and filter could solve this issue and fix most of the problems. But if changing the engine...
Question
Oil Change and Smog Test
Hello! Your oil change appointment should not impact your car's ability to pass a smog test immediately after having the oil changed as the oil change has nothing to do with your car's emissions system or functionality.
Question
Things to do when getting smog test at Star station
Hi there. The smog test for vehicles of 1996 and newer will pass if the engine light is off and the gas cap passes the sealed test. As long as the gas cap is sealing to the fuel inlet tube...
Question
Failed smog test. OBD-II monitors not ready. Needs to be reset
Hello. If your monitors are showing not ready, then that is because the computer was recently reset or the battery may have been replaced. If either of these occurred, then there is a specific amount of driving that needs to...

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