Can emissions cause check engine light?
It is true that your vehicle’s emissions system will trigger a check engine warning if something is wrong, but there are other reasons why the Check Engine light comes on, too.
What does check engine light for emissions mean?
The check engine light is a signal that the onboard diagnostics system (or OBD II) has detected a malfunction in the vehicle’s emissions, ignition, fuel or exhaust systems. All cars and light trucks have onboard diagnostics that are supposed to detect engine-related problems that affect the emissions control systems.
Can you turn off check engine light to pass emissions?
A lot of people think they can get around an emissions test by simply turning off the check engine light. While resetting the light is possible, it can’t help you pass. As mentioned above, technicians plug in a device to read your car’s onboard computers. It detects an issue regardless of whether the light is on.
How to know if the Check Engine Light is an emission?
Unfortunately it often takes several trips out with the car before the light shuts itself off so it might take awhile before you know if the problem has been solved. Check the dipstick in the oil compartment of your engine to make sure it is inserted properly in the tube. If the dipstick is not in tight it may cause the car to idle funny.
What does it mean when Kia check engine light comes on?
What does it mean when Kia Check Engine Light comes on? When your check engine light illuminates your Kia vehicle, it means that the vehicle’s Electronic Control Unit (ECU), or computer, which controls many aspects of your Kia’s operation, has found a problem with the engine or emissions system.
Is it illegal to reset a check engine light?
Reputable auto shops will not reset a check engine light if the problem is not fixed. To do so would be illegal. This would only be acceptable if it is cleared to complete a diagnostic process to identify a problem. Check engine light being on is a sign that there is a problem with the car.
Can a car pass the emissions test after a reset?
A slight chance of passing the emissions test after a reset does exist, but it is very slim. The trick is to get your vehicle smog checked before your engine computer detects the check engine light illuminating trouble code, and only after the required readiness flags have set.