What can cause a check engine light to come on?
Possible Reasons for Your “Check Engine” Light Coming On
- Loose or faulty gas cap. The lines and valves in your gas tank system recirculate gasoline vapors and keep them from escaping.
- Worn spark plugs.
- Faulty catalytic converter.
- Dirty or faulty mass airflow sensor.
Is it bad if check engine light is on?
When your car’s check engine light illuminates on your dashboard, it’s usually accompanied by a sinking feeling in the pit of your stomach. The light could be a minor issue, such as a faulty gas cap, or it could mean something more serious, such as a misfiring engine.
What does the Check Engine light signify?
Getting Your Car’s Problems Diagnosed. The check engine light,which is known in the automotive world as the Malfunction Indicator Lamp ( MIL ),illuminates when there is a signal
How to get check engine code?
Engine code finder. Enter the car make and car model for which you want to see an overview of engine codes. In the overview, you will then get a list of the engine codes with the years of construction and engine capacity. If there is a match with other car makes and car models, these will also be shown in the overview.
What would make a check engine light go on?
Loose Gas Cap. As earlier mentioned,a check engine light that goes off doesn’t always mean a serious issue with your car.
What to do when your check engine light is blinking?
Misfires on one or several cylinders (most common)