16th October 2019

axleaddict
17

How many miles does it take to clear a check engine light?

After you clear the computer you need to drive up to 100 miles to give it a chance to monitor all the sensors and register the results. Sometimes it may be complete in about 50 miles.

Consequently, can you get your car inspected if the check engine light is on?

If the year of your car is 1996 and newer, YES, your car will fail inspection. When your check engine light is on that means your vehicle is having an emissions related problem. It will fail the emissions portion of the test.

Can you pass emissions with a check engine light on in Colorado?

Effective January 1, 2015, an illuminated "Check Engine" light will cause vehicles eight (8) to 11 model years old to fail emissions. Vehicles 12 years and older will continue to receive an "Advisory" fail. Inspection of the "Check Engine" light is meant to protect you - the motorist - and Colorado's air quality.

Why would a car fail an emissions test?

The most common causes of a failed emissions tests include: Rich air-fuel mixture. This might be due to malfunctioning injectors or a faulty oxygen sensor, so you should make sure these components work properly before you take your vehicle for inspection. Defects in the evaporative emission control system (EVAP).
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