Why would my engine light come on then go off?

Why would my engine light come on then go off?

Worn-out spark plugs can affect your engine’s combustion process and throw it all out of whack. It can also lead to a check engine light on and off intermittently. The thing about bad spark plugs is that, initially at least, you’re going to be able to continue to drive around with them.

Does the check engine light come on after so many miles?

Some vehicles are set up so that the Check Engine light comes on at certain mileage intervals. This doesn’t occur in all vehicles, but there are still a few left that have the “reminder” Check Engine light equipped. Typically this happens at 30,000, 60,000, or 100,000-mile intervals.

What does it mean when your check engine light comes on?

The check engine light is a signal that the onboard diagnostics system (or OBD II) has detected a malfunction in the vehicle’s emissions, ignition, fuel or exhaust systems.

What to do if your “check engine” light turn on?

then slowly pull the car off the road

  • turn the engine off and consult the owner’s manual for your vehicle.
  • Think About the Last Time You Got Gas.

    What if the Check Engine light doesnt turn on?

    Disconnecting car battery cables In this step, you should use a wrench to remove positive and negative cables. Apply The Battery Disconnecting Technique (Source: Wikihow) Draining remaining electricity Next thing you should do is to press and hold the car horn for about 30 seconds. Waiting and reconnecting the battery

    What can be wrong when the service engine soon light comes on?

    The yellow or orange “service engine soon” light may mean something is wrong with your anti-lock brake or safety restraint systems, there is a computer problem in your car or something is wrong with your emission system. A cap left off one of your fluid containers can cause the light to turn on, as can an overdue oil change.