The check engine light can also be set off by a wide variety of other.
Check engine light gas cap fix.
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.
If it s for gas cap failure the fixing will take a mere few minutes.
Once you ve noticed the check engine flashing don t worry.
Open the gas cap door.
The door is usually locked you ll find a push button to unlock it.
Turn off the engine vehicle.
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.
I put together a video discussing a problem my neighbor had with nissan maxima four door sedan after they filled the fuel tank.
The check engine light should go off after you drive for several minutes if the light was caused by a loose gas cap.
Pay attention to the dashboard after the check engine light experience.
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.
If your gas cap is not properly attached you may see a check engine light or a loose cap warning light on the dash.