Gas Cap Seal Check Engine Light

An illuminated check engine light is another symptom of a potential issue with the vehicle s gas cap.

Gas cap seal check engine light. This quick how to video will help you save time and money. An illuminated check engine light is another symptom of a potential issue with the vehicle s gas cap. This video goes trough few things you should do before replacing the gas cap on your vehicle. Open the gas cap door.

The door is usually locked you ll find a push button to unlock it. The check engine light should go off after you drive for several minutes if the light was caused by a loose gas cap. If it s for gas cap failure the fixing will take a mere few minutes. Gas caps and check engine lights gas cap sealing o ring.

Turn off the engine vehicle. Check engine light comes on. If the rubber seal on the fuel cap isn t sealing because the cap is loose or cross threaded the test fails. This may result in a gasoline odor from the vehicle as a result of the escaping vapors.

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. 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. 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.

Pay attention to the dashboard after the check engine light experience. This warning light can indicate a wide range of problems some minor and others much more serious. However if the light comes on right after filling up it. Open the gas cap door.

The pump never reaches its desired pressure and therefore triggers the service engine soon light. If your gas cap is not properly attached you may see a check engine light or a loose cap warning light on the dash. My engine light is on and it s due to the small evaporative leak and the culprit is the easy fuel no cap design. Once you ve noticed the check engine flashing don t worry.