Check Engine Light Gas Cap Fix

If your gas cap is not properly attached you may see a check engine light or a loose cap warning light on the dash.

Check engine light gas cap fix.

The check engine light should go off after you drive for several minutes if the light was caused by a loose gas cap. An improperly sealing fuel cap may cause an evap system leak which will set off the check engine light when the the computer detects the leak. 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. Open the gas cap door.

Once you ve noticed the check engine flashing don t worry. I put together a video discussing a problem my neighbor had with nissan maxima four door sedan after they filled the fuel tank. The gas cap code and diy check engine light car repair the gas cap code is a common diagnostic trouble code that might turn your check engine light on. 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. Turn off the engine vehicle. If it s for gas cap failure the fixing will take a mere few minutes. 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.