How do I avoid emissions testing in Colorado?

Your vehicle is exempt from emissions inspections in Colorado if you meet any of the following criteria.

1. You drive a vehicle that is less than seven model years old.
2. You drive an all-electric vehicle.
3. You drive a collector vehicle from 1975 or older.

What vehicles are exempt from emissions in Colorado?

Vehicles of the model year 2016 require emissions testing if there is any transfer of ownership. Additionally, all-electric vehicles and street rods are exempt from emissions testing in Colorado. Other exempt vehicles include model year 1976 or newer that were registered as collector’s items prior to September 1, 2019.

What is the best day to go to emissions testing?

The results are calculated right away after the test—allowing you enough time to have these issues fixed before you renew your vehicle’s registration. You may be asking yourself when is the best time to get an emissions test done? A general rule of thumb, is just before your birthday each year.

How do I pass emissions in Colorado?

Fully warm up your vehicle before testing. Until your vehicle is at normal operating temperature, it emits excess pollution. Run your vehicle at highway speed for at least 15 minutes prior to undergoing an emissions test. Limit use of air conditioning and defroster if possible.

Which Colorado counties require emissions testing?

Emissions testing of gas‑ and diesel‑powered vehicles is required when registering or selling vehicles in Boulder, Broomfield, Denver, Douglas, and Jefferson counties, and in portions of Adams, Arapahoe, Larimer, and Weld counties, as shown in the Air Care Colorado program area maps.

How do you cheat an emissions test?

Instead of attempting to cheat emissions, use these clever tips to pass your next test.

1. Get an oil change.
2. Inflate your tires.
3. Get a tune-up.
4. Warm your car up.
5. Resolve an illuminated check engine light.
6. Use a fuel additive.
7. Pretest or free retest.

Will my car pass emissions with the check engine light on in Colorado?

Vehicles 8 through 11 years old will be inspected using onboard diagnostics (OBD). If the “Check Engine” light is turned on, these vehicles will fail the inspection and need repairs.

Can dirty oil affect emissions?

If the oil in your engine is contaminated due to inadequate oil changes it may very well cause your vehicle to fail the emissions test. Contaminated oils are high in Hydrocarbons (HC) and will present a rich mixture to the combustion chambers.

How do you trick emissions?

How can I reduce my car’s CO emissions?

Burn fuel cleaner

1. Keep your vehicle well-tuned and tires inflated properly to reduce exhaust emissions.
2. Combine errands into one trip — cars pollute less when they are warmed up.
3. Avoid idling — idling exhaust contains more pollutants than running exhaust.

How do I know if I need emissions test Colorado?

Vehicles from a model year of 1981 or older must have an emissions test annually; vehicles from model year 1982 and newer must test every other year.

How long is Colorado emissions test good for?

2. How often does my vehicle need an inspection? Most vehicles do not require an inspection until they are eight years old. Once they have reached age, most 1982-and-newer vehicles are inspected every two years while most 1981-and-older vehicles are inspected annually.

What happens if my car doesn’t pass emissions in Colorado?

If your vehicle failed an initial inspection, received documented repairs that cost at least $715, and still failed a re-inspection, you may apply for a waiver from the Colorado Department of Revenue. There are two types of waivers available if a vehicle continues to fail the emissions inspection.

How can I lower my emissions?

9 Ways To Reduce Your Car’s Emissions

1. Use fuel additive.
2. Regularly check tyre pressure.
3. Only drive when necessary.
4. Use premium fuel.
5. Spend less time idling.
6. Switch your driving style.
7. Change your engine oil regularly.
8. Keep up to date with servicing.

How can I pass a smog check illegally?

6 Proven Methods for Passing an Emissions (Smog) Test:

1. Test a very warm car on a cool day.
2. Use a specialized fuel additive.
3. Inflate tires to the proper (high) level.
4. Perform an oil change.
5. Turn off your “Check Engine” light (if needed).
6. Find a shop that offers a free retest.