Cool Is Check Engine Light An Automatic Fail References. Web if the check engine light comes on while driving, follow these 3 steps to ensure it’s safe to continue driving or if you need to stop immediately: Web and if emissions tests or inspections are required in your state, a check engine light will make the car automatically fail.
You can always read your owner’s manual to explore why your check engine light might have come on. Web worn spark plugs and/or wires: When you see the check engine light it doesn't necessarily mean you need to pull the car over to the side of the road and call a tow truck.
