5 people found this helpful. You should have a mechanic look at your car a tune up may resolve some problems but they should also look into timing problems.

Troubleshooting Hyundai Check Engine Light Youcanic

Your gas cap is loose broken or simply missing.

Hyundai sonata check engine light blinking. You should back off on the throttle or stop. This flashing light should not be ignored. When it flashes or blinks it means your engine is misfiring.

If your hyundai check engine light is flashing and the car is shaking that means that you have a serious engine malfunction and you should avoid driving your car. Below we have highlighted the most common causes of a check engine light. Replacing the spark plugs and spark plug wires is all you need to fix this problem.

Does the light stay on or does it blink. If you do notice that the check engine light is flashing you should shut the engine off once it is safe to do so. If the check engine light in your hyundai sonata starts glaring that means that the problem needs immediate attention and your hyundai should be brought in quickly.

A wide array of issues can cause a check engine light to come on some more serious than others. The 2018 hyundai sonata has 9 problems reported for check engine light on. Check engine light flashing and blinking is a result of an engine misfire.

Highly recommend visiting local auto repair facility to have a full scan test performed and misfire problem resolved. Are you fixing your sonata yourself. Fortunately autonation hyundai north richland hills is here to help you figure out what might be wrong and what your next steps should be.

When your engine is misfiring it is dumping raw fuel into the exhaust. Most of the time that serious problem is a misfire. What is the model year of your hyundai.

Just parked it in drive way was on expressway then. If your check engine light is flashing stop driving your sonata and have it towed to your nearest mechanic you probably have a very serious problem with your car and you risk ruining your engine by driving it. Sign in to reply pushrod on december 14 2017.

You can try to restart the engine but if the light is still flashing after you restart you ll definitely want to contact us for assistance. This blinking light usually indicates a severe engine misfire allowing unburned fuel to be dumped into the exhaust system. What have you tried so far.

If it is flashing however the light may indicate a much more severe problem. Flashing check engine light is indicative of engine misfiring which can lead to more expensive catalytic converter damage if not soon corrected. This raw fuel can detonate which causes damage to the catalytic converter and the exhaust system itself.

Flashing check engine light. Gas cap issues can reduce fuel pressure and allow fuel vapors to escape reducing fuel economy and increasing harmful. May 10 2019 by jason.

A flashing check engine light is your hyundai sonata s way of saying i have a serious problem don t ignore me. Some potential reasons include problems with the catalytic converter bad mass air flow sensor faulty evap control valve or bad spark plugs wires. P1326 code flashing check engine light blinking.

Average failure mileage is 9 850 miles.