Why is my engine light blinking on my Volkswagen?

When your Volkswagen check engine light is flashing, it means the onboard diagnostic system has detected a misfire. This is due to fuel not getting burned in the cylinder. This problem is typically caused by a bad spark plug or ignition coil.

What causes check engine light to blink?

A flashing check engine light indicates a much more serious issue. Most often it means that the engine is misfiring and unburned fuel is getting into the exhaust system. This raises the temperature of the catalytic converter and can cause critical damage.

Should I drive my car if the check engine light is flashing?

The rule of thumb is that if the check engine light is flashing, you can’t keep driving the car. It’s an emergency. Often it indicates an engine misfire. If you keep driving, you will likely cause irreversible damage, mostly to the (expensive) catalytic converter.

How long can you drive a car with flashing check engine light?

If the light flashes for more than six seconds, the problem could be a major one, and you should stop to check the car. In most cases, you will notice a problem with the vehicle. However, if the light does not flash, you can keep driving if the vehicle is not having operational issues.

What is misfire engine?

At its core, an engine misfire occurs when the combustion reaction doesn’t work correctly, and your cylinder remains unfired. Misfires can occur both upon engine startup and even in the middle of engine idling. When a misfire happens, your engine might momentarily stumble, and it may even lose speed (RPMs).

What does engine light mean on Volkswagen Jetta?

Volkswagen Jetta Check Engine Light If the check engine light in your VW Jetta starts twinkling, that means that the problem needs abrupt attention and your VW should be brought in suddenly. This blinking light usually indicates a severe engine misfire allowing unburned fuel to be dumped into the exhaust system.

How do you fix a blinking engine light?

When this Check Engine or Service Engine Soon light flashes, you should pull over safely and shut the vehicle off as soon as possible. Have the vehicle towed to your trusted repair facility for a diagnosis and repair. Continuing to drive this vehicle in this condition will do more damage and will cost more to repair.

How do you fix an engine misfire?

Inspect the spark plugs for signs of damage. Use a spark plug socket to remove the plug so you can get a good look at it. The damage you see will help you determine the cause of the misfire. If the spark plug is just old, replacing it may solve the problem. Make sure to replace and properly gap new spark plugs.

Is engine misfire serious?

Driving with a misfiring engine may not be dangerous right away, but over time it will wear on your engine and you can potentially damage the vehicle. If you lose power while driving on a busy road, this is a safety hazard.

Will check engine light come on with low oil?

Low oil pressure: If your car is low on oil, it can cause your check engine light to go off. This is often shown in its own glowing light along with the check engine light on the dashboard. Overheating: If your car’s engine temperature is heating up, it can once again trigger the check engine light.

Will VW check engine light reset itself?

Originally Answered: Will check engine light reset itself? No, it won’t. You need an OBD or OBD2 diagnostic tool to identify the fault & then use it to reset the Check Engine Light. It you don’t fix the fault, the light will come on again.

Why is my Check Engine light flashing on my VW Jetta?

While a majority of the time, the flashing check engine light is going to be caused by a misfire related to your Jetta’s ignition system or fuel system (as stated above), there are other issues that can cause it. Your timing chain could have jumped .

How do I reset the Check Engine light on a Jetta?

Pull the fuse out of the fuse box, using the fuse pullers in the fuse box. Wait five minutes, and replace the fuse. Start the Jetta and confirm that the ECM has been reset and that the “Check Engine” light has shut off. If the “Check Engine” light comes back on after resetting it, there is still a problem with your Jetta that needs attention.

Why is there an error code on my VW Jetta?

Most of them have to do with the emissions control system and related sensors. The on-board diagnostic computer generates and stores an error code that then must be retrieved so you know what the problem is. Most auto parts stores offer a free service to help you retrieve and translate the error code on your Jetta.

What causes the engine to misfire on a Volkswagen Jetta?

There are other misfire related codes as well, but those are the most common ones. Keeping in mind that any engine needs air, fuel, and spark for ignition, your Volkswagen Jetta’s fuel system can often cause the engine to misfire. It can run too lean or rich.