You can either tighten the cap and wait for the system to reset itself when it determines the problem is fixed or you can use an obd ii code scanner to manually reset the system.
Gas cap seal check engine light.
The pump never reaches its desired pressure and therefore triggers the service engine soon light.
Open the gas cap door.
My engine light is on and it s due to the small evaporative leak and the culprit is the easy fuel no cap design.
Check engine light comes on.
I have a 2009 mazda tribute which is under ford and my mechanic and also the smog test guy said i needed to go to the dealership to get the neck replaced.
Pay attention to the dashboard after the check engine light experience.
If it s for gas cap failure the fixing will take a mere few minutes.
If your gas cap is not properly attached you may see a check engine light or a loose cap warning light on the dash.
The door is usually locked you ll find a push button to unlock it.
This warning light can indicate a wide range of problems some minor and others much more serious.
This quick how to video will help you save time and money.
Once you ve noticed the check engine flashing don t worry.
This may result in a gasoline odor from the vehicle as a result of the escaping vapors.
The gas cap is a part of the vehicle s evaporative.
The check engine light should go off after you drive for several minutes if the light was caused by a loose gas cap.
Open the gas cap door.
However if the light comes on right after filling up it.
If the rubber seal on the fuel cap isn t sealing because the cap is loose or cross threaded the test fails.
Turn off the engine vehicle.
An illuminated check engine light is another symptom of a potential issue with the vehicle s gas cap.
Check engine light comes on.
If you find that the light keeps coming on and goes off again once you tighten the gas cap then your gas cap is too loose.
Almost every car owner that has ever filled up a gas tank has encountered a check engine light that comes on when the gas cap has not been closed properly.
This video goes trough few things you should do before replacing the gas cap on your vehicle.