What causes a flashing check engine light on a Hyundai Sonata?

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

Why does my Hyundai Sonata not start up?

Crank/Cam Sensor- When the cam or crank sensors are not being read by the ECM/PCM, it’s impossible to get the ignition timing right. If you Sonata does start at all, it’ll run rough. It could be a more serious mechanical issue, such as as bent valve, bad lifter, etc….

Why does my Hyundai Elantra have a check engine light?

Has the check engine light turned on in your Hyundai Elantra, Accent, Sonata, Kona, or Santa Fe? It can be alarming seeing an engine warning appear on your dashboard, especially if you’ve never seen it before. A wide array of issues can cause a check engine light to come on, some more serious than others.

What makes up the ignition system on a Hyundai Sonata?

The ignition system consists of spark plugs, plug wires, and the ignition coil packs (older vehicles have a distributer that has the same function as coil packs). These parts work in concert to ignite the fuel in the combustion chamber at just the right time.

Why does my Hyundai Sonata not accelerate when I push the gas?

If your Hyundai Sonata won’t accelerate, that is a serious cause for concern. There are a lot of different reasons that can cause this. Diagnosing the issue can be narrowed down by whether the engine is still revving when you push the gas or not. There is a section for each scenario with likely causes for each.

What causes a check engine light on a Hyundai?

Fortunately AutoNation Hyundai North Richland Hills is here to help you figure out what might be wrong, and what your next steps should be. Below we have highlighted the most common causes of a check engine light. Loose Gas Cap: Your gas cap is loose, broken, or simply missing.

How much does a Hyundai Sonata check engine light cost?

The average cost for a Hyundai Sonata Check Engine Light Diagnosis & Testing is between $88 -$111. Learn More Good news! We found 31 RepairPal Certified shops near you.

Why is the timing chain on my Hyundai Sonata not working?

The timing chain (or belt) is responsible for keeping the upper valve train synced with the crankshaft. This is vital for spark timing. If the timing is off a little and the engine still runs, the timing belt may have skipped. If it has jumped too much the Sonata may not even fire.

Are there any problems with the Hyundai Sonata?

A class action lawsuit was filed in May 2015 against Hyundai that claims the 2.4L Sonata engine is defective. More info here. Click on a category below for details. Help? Loading …

When does the oil light go off on a Hyundai Sonata?

In any instance where the oil light stays on when the engine is running, the engine should be checked by an authorized HYUNDAI dealer before the car is driven again. This light is illuminated when the parking brake is applied with the ignition switch in the START or ON position. The warning light should go off when the parking brake is released.

What does the EBD warning light on a Hyundai Sonata mean?

If the ABS warning light or EBD warning light is on and stays on, the speedometer or odometer/tripmeter may not work. In this case, have your vehicle checked by an authorized HYUNDAI dealer as soon as possible. The driver’s seat belt warning light and chime will activate to the following table when the ignition switch is in “ON” position.

Are there any problems with the 2013 Hyundai Sonata?

Almost 100 people reported engine issues wit the 2013 Hyundai Sonata, including engine seizing, dying while driving, running rough, consuming a lot of oil. More than fifty owners reported that their 2013 Hyundai Sonata started smoking and cut off suddenly without any warning signs.

What’s the warranty on a 2012 Hyundai Sonata?

Additionally, Hyundai Motor America will increase the warranty for the engine sub-assembly (short block) to 10 years/120,000 miles for both original and subsequent owners of 2011 and 2012 Sonatas manufactured at Hyundai Motor Manufacturing Alabama equipped with 2.0 liter and 2.4 liter Gasoline Direct injection engines.

How much does a 2011 Hyundai Sonata cost?

1 Engine Seized 2011 Sonata Average Cost to Fix: $5,000 Average Mileage: 96,000 mi 2 Engine Stalled/Cut-Off While Driving 2011 Sonata Average Cost to Fix: $4,300 Average Mileage: 98,000 mi 3 Excessive Engine Noise 2011 Sonata

What does a flashing check engine light mean?

A flashing check engine light is your Hyundai Sonata’s way of saying “I have a serious problem, don’t ignore me”. Most of the time, that serious problem is a misfire. This flashing light should not be ignored. When your engine is misfiring, it is dumping raw fuel into the exhaust.

Why does my Toyota Corolla have a flashing light?

When your engine is misfiring, it is dumping raw fuel into the exhaust. This raw fuel can detonate, which causes damage to the catalytic converter and the exhaust system itself.

Can you drive with a blinking check engine light?

How far can you drive with a blinking engine light? It is not recommended to drive at all with a flashing check engine light. You can, in most cases, drive the closest way to a repair shop. We do recommend towing it if the repair shop is located far away, though.

Why does my Infiniti check engine light keep blinking?

Gas cap issues can reduce fuel pressure and allow fuel vapors to escape, reducing fuel economy and increasing harmful emissions. Failing Catalytic Converter: Your catalytic converter can eventually clog with material, especially with higher mileage vehicles.

What are the warning lights on a Hyundai?

They are roughly ordered by importance, which tends to be by color (red, amber, yellow, orange, green, blue, gray). There are nearly 70 of them, so search carefully! Models examined include Accent, IONIQ, Kona, Elantra, NEXO, Santa Fe, Sonata, Tucson, Veloster and Venue.

Why does my check engine light keep blinking?

When your engine is misfiring, it is dumping raw fuel into the exhaust. This raw fuel can detonate, which causes damage to the catalytic converter and the exhaust system itself. There can be other situations that can cause the check engine light to blink as well.

When does the Hyundai Sonata check engine light go off?

In most cases, your Hyundai Sonata light will go off after about 20-40 miles. If you drive over that amount and the light is still on, you will need to bring it in to Nalley Hyundai so the light and code can be double-checked and reset.

Why does my Hyundai Sonata have a vacuum?

Every Hyundai Sonata has a vacuum system that performs a humongous assortment of functions. The vacuum system also helps reduce harmful emissions by routing the fumes as gasoline evaporates through the engine. If you notice that your RPM is high in idle or randomly surges, a vacuum leak could be the cause.

What are the spark plugs on a Hyundai Sonata?

New Spark Plugs or Plug Wires are mandatory for your Hyundai Sonata. The spark plugs are the part of your engine that ignites the air/fuel assortment in the combustion chamber of your vehicle. This explosion is what moves the pistons and makes the engine run. The spark plug wires deliver the spark from the ignition coil to the spark plugs.

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. This blinking light usually indicates a severe engine misfire allowing unburned fuel to be dumped into the exhaust system.

When did the Hyundai Sonata engine shut down?

2017 Hyundai Sonata shut down when I came to a stop light. Started car back up and drove 5miles home. The second time it shut down were the next day , driving my car came to a complete stop and car shut down.

What’s the average life of a Hyundai Sonata starter?

A starter is a motor for starting the engine of your Sonata. The average life of a starter motor is about 100,000 to 150,000 miles, and the life will be shortened if the engine is started more frequently.

What does a check engine light mean on a Hyundai Sonata?

A check engine light can indicate a broad spectrum of problems with your 2015 Hyundai Sonata. In some cases you need to pull over immediately to prevent damage while in others you merely need to tighten you gas cap next time you stop in order to reset the service engine soon light.

Why does my Hyundai Sonata stall while driving?

The brake issue stopped by its own. Next after few months, we started having another serious issue, our car used to stall in the middle of the driving with the check engine light on the dashboard. On turning on the car again it used to start but there was constant check engine light on the dashboard.

What kind of problem does a Hyundai Sonata have?

Tl- the contact owns a 2013 Hyundai Sonata. The contact stated that while driving about 70 mph, the vehicle shut down. The picture of the engine illuminated. The vehicle was towed to the contact’s residence. The dealer was not called. The manufacturer was not made aware of the failure.

What causes a Hyundai Sonata engine to misfire?

Keeping in mind that any engine needs air, fuel, and spark for ignition, your Hyundai Sonata’s fuel system can often cause the engine to misfire. It can run too lean or rich. Alternatively, there may not be enough fuel for proper combustion, or the fuel isn’t atomizing properly.

What does the seat belt warning light mean on a Hyundai Sonata?

The Hyundai Sonata Seat Belt Warning Light will blink for approximately 6 seconds each time the ignition is turned on. It is regardless of whether the belt is fastened or not. The Hyundai Sonata airbag warning light glows red for about 6 seconds when the ignition switch or engine start / stop button is in the ON position.

What does the Mil mean on a Hyundai Sonata?

The Hyundai Sonata Engine Check Light or Malfunction Indicator Light (MIL) indicates a failure in the engine control system. This system monitors emissions, and this dash light indicates a failure in the engine/emission control system. This symbol represents the rear fog lights of Hyundai Sonata being switched on.

What do the symbols on a Hyundai Sonata mean?

The turn indicator symbols represent the indicator is switched on of Hyundai Sonata. This Hyundai Sonata dashboard warning light informs the driver that the exterior lights/sidelights/parking lights/headlights are switched on. This symbol represents the front fog lights of Hyundai Sonata being switched on.

What’s the Check Engine light on the Hyundai Sonata?

Please also check out the statistics and reliability analysis of the 2018 Hyundai Sonata based on all problems reported for the 2018 Sonata. I was driving my car at about 45mph on my way to work on a highway road and out of no where it jerked and the check engine light started flashing. Car would not accelerate above 2,000 rpms.

Six problems related to check engine light on have been reported for the 2018 Hyundai Sonata. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2018 Hyundai Sonata based on all problems reported for the 2018 Sonata.

Why is the Check Engine light coming on on my Hyundai Sonata?

The check engine light on your Hyundai Sonata will usually shut itself off if the issue or code that caused it to turn on is fixed. For example, if the cause of your check engine light coming on was a loose gas cap, if it’s tightened, the light will turn itself off.

What should I do if my Hyundai Sonata oil pressure light is not on?

With the engine off, check the engine oil level. If the level is low, add oil as required. If the warning light remains on after adding oil or if oil is not available, call an authorized HYUNDAI dealer. If the engine is not stopped immediately after the engine oil pressure warning light is illuminated, severe damage could result.

What should I do if my Hyundai Accent warning light is not working?

1. Drive safely to the side of the road and stop. 2. With the engine off, check the engine oil level. If the level is low, add oil as required. If the warning light remains on after adding oil or if oil is not available, call an authorized HYUNDAI dealer.

Where is the security light on a Hyundai Sonata?

I noticed what I think is a security light that blinks and is located directly in front of the driver, just behind the front windshield. My questions are: is this indeed for security, and why does it blink non-stop only when car is off, whether doors are open or not and it does not trigger an alarm. I’m afraid it is draining my battery.

What is the light sensor on a 2007 Sonata?

Purchased the 2007 Sonata with automatic light control yesterday. Went into the garage this morning and saw the light sensor flashing (the one you see thru the windshield) and thought that was odd. It stops flashing when the key is in the on position, otherwise flashes all the time.

How to test the O2 sensor in a Hyundai?

This requires a bit of mechanical know-how and some time… An O2 sensor can be tested with a multimeter that measures millivolts. You’ll need to securely attach one lead to the signal wire of the sensor and the other to a good ground on the car. This all has to stay in place with the car running…

How can I tell if my O2 sensor is bad?

A combination of the check engine light and one of the other signs may indicate that the o2 sensor has failed. The best way to know for sure is to identify the Diagnostic Trouble Code (DTC) that is stored in the ECU.

What does the O2 sensor on my car do?

If you like to tinker with your car, or add performance parts to increase horsepower, such as a larger throttle body, nitrous or even headers, the O2 sensor will likely tell the ECU the engine is producing too much pollution and the “Check Engine” light will illuminate.

What does it mean when check engine light is glaring?

A glaring light expresses that the problem is thoughtful and if not taken care of quickly may result in mammoth damage to the vehicle. 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.

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