What does a blinking check engine light mean Hyundai?

A blinking light can indicate that unburned fuel is getting into the exhaust system, where it can quickly damage the catalytic converter. That is one expensive repair, and one which you’ll want to avoid.

What if the check engine light starts blinking?

A check engine light flashing– as opposed to a continuously illuminated check engine light – should never be ignored. A flashing CEL indicates a severe problem, one that requires immediate car repair. In other words, if your check engine light is flashing, pull over and call a tow service.

Can I drive my car with the check engine light blinking?

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.

What causes a check engine light to blink on and off?

While the check engine light can definitely be indicative of serious problems, the most common cause of the flashing is usually an engine misfire. There are many reasons why an engine misfire might be occurring. To run smoothly, an engine must be receiving the correct amount of power from the cylinders in your vehicle.

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 happens when the oxygen sensor goes bad?

If your vehicle has a bad oxygen sensor, it could run irregularly or sound rough when it idles. A faulty oxygen sensor can impact your engine’s timing, combustion intervals, and other essential functions. You could also notice stalling or slow acceleration.

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.

Can AutoZone check engine light?

Does AutoZone Scan Check Engine Lights? AutoZone does. If your light is on, and you are wondering why, head down to your local AutoZone where one of our store associates can help diagnose the issue through our free Fix Finder service.

How much does it cost to fix engine misfire?

An average estimate ranges from $200 to $1,000 or more, depending on the cause of the poor fuel delivery: spark plug wires $100 to $300, broken piston rings $1,500 to $3,000, broken valve springs $450 to $650, carbon or oil-fouled spark plug $100 to $250, depending on plug costs and local labour rates, faulty ignition …