- 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.
Why does my gas cap light keep coming on?
Simply put, if your fuel cap light is on, it means that the computer has detected a leak in the system, typically from a loose gas cap. If this light comes on while driving, pull over in a safe spot and re-secure the cap. Continue driving normally with the light illuminated and it should go off within a day or two.Sep 9, 2016
Why does my dashboard say check fuel cap?
When the Check Fuel Cap Light comes on in the dashboard, this may indicate that the fuel cap has not been affixed onto the fuel tank filler tube properly, the fuel cap is missing from the fuel tank filler tube, or that the fuel cap is damaged in some way.
Why does my Dodge Caravan keep saying gas cap?
Fuel cap is not securely fastened: The Check Fuel Cap light can come on even if the gas cap is on. If the fuel cap is not completely fastened, the vehicle will not recognize that the cap is on. Sometimes this O ring needs to be cleaned and lubricated in order for the car to tell that the gas cap is on.
How long does it take for gas cap code to reset?
The reset can happen automatically after around 10 to 20 cycles. A cycle is a phase where you turn on the car and turn it off again. For other vehicles, you'll have to drive around 50 to 100 miles before it resets.
How do I reset my Dodge Caravan?
To reset the display shown, turn the ignition switch to theON position, then press and hold the RESET button forapproximately two seconds.
Why does gas cap make check engine light come on?
Something as simple as forgetting to replace the gas cap could cause your “check engine” light to come on. This is because the gas cap keeps vapors from escaping the fuel tank. A loose or broken gas cap can dramatically reduce fuel efficiency and increase emissions.May 1, 2014