How long will check engine light stay on after tightening gas cap?
As soon as it’s safe, pull over and make sure your gas cap is tight. Once you’re back on the road, your check engine light should go off within 10 or 20 miles.
How do you fix a check engine light on a gas cap?
How to Reset the Warning Light Gas Cap That Is Loose or Missing
- Turn off your vehicle’s engine.
- Step to the gas cap door.
- Replace the gas cap.
- Close the gas cap door.
- Use an OBD-II code scanner if the warning light does not disappear.
- Continue driving the vehicle.
Can an old gas cap cause check engine light?
The gas cap is a part of the vehicle’s evaporative emissions system and can cause problems with the system if it has an issue. A bad or failing fuel cap will not necessarily cause major performance issues, but it can set off the Check Engine Light, which will prevent the vehicle from passing an emissions test.
Can you over tighten gas cap?
Do not overtighten your gas cap. Listen for one click and stop, otherwise you can damage the seal and your check engine light may come on. They do not seal properly most of the time and may cause your check engine light to come on.
Is it safe to drive with check engine light on?
The rule of thumb is that if the check engine light is flashing, you can’t keep driving the car. It’s an emergency. Often it indicates an engine misfire. If you keep driving, you will likely cause irreversible damage, mostly to the (expensive) catalytic converter.
Can I still drive my car with the engine light on?
Can you drive a car with the engine light on? It’s okay to drive for a few miles, but be sure to schedule an inspection of the engine as soon as possible. If the check engine light comes on while you’re driving, don’t panic! Just be sure to have your car inspected as soon as possible after the light turns on.
