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.

What to do when your check engine light comes on?

No matter the situation, when the check engine light comes on in your Hyundai, we always suggest stopping by our service center so one of our knowledgeable technicians can properly diagnose and repair your vehicle. Our service technicians have the most up-to-date diagnostic equipment that can quickly read Hyundai OBD-II Trouble Codes.

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.

Why is my Hyundai 2.0T engine not working?

This could result in damage to the connecting rods. Hyundai turned around and blamed the problem on a motorized “deburring” method which was utilized during the removal of metallic machining debris originating from the crankshaft.

What to do when a Genesis warning light comes on?

If the warning light comes on while the vehicle is in motion: 1. Drive to the nearest safe location. 2. With the engine off, check the generator drive belt for looseness or breakage. 3. If the belt is adjusted properly, a problem exists somewhere in the electrical charging system.

When does the Genesis dashboard indicator turn off?

However, when the smart key is not in the vehicle, if the engine start/stop button is depressed, the indicator will blink for a few minutes to indicate that you will not be able to start the engine. When the ignition switch is turned to the ON position and the indicator turns off after two seconds, the system may have a problem.

What to do if check engine light comes back on?

Reinstall the mass air flow sensor and clear the check engine light using FIXD. If the check engine light comes back on with code P0171 continue the diagnostic process. If check engine light code P0171 persists after you have reconnected and replaced all damaged vacuum lines and cleaned the mass air flow sensor, perform a fuel pressure test.

And with that carbon build up, you can have misfire issues. This can also bring your car to a screeching halt. With the PCV valve producing failure of the crankshaft seal to the transmission end of the motor, owners can then look and find an oil leak and the dreaded “Check Engine Light’ to appear on the dash.

When does the Check Engine light come on?

The check engine light only comes on in certain conditions: If the check engine light is coming on intermittently, be sure to notice any changes in the performance of your vehicle when the light is on. If you do notice a difference, try driving your vehicle as little as possible until you can bring it in for service.

Why is my engine light on in my Alfa Romeo?

Faulty Oxygen Sensor: Due to long exposure to hot exhaust gas, your oxygen sensor might need replacing. The oxygen sensor provides vital air-fuel mixture information to the ECU. A faulty oxygen sensor can cause your vehicle’s computer to supply the engine with too much or too little fuel.

What does check engine light on Hyundai Genesis mean?

A check engine light can indicate a broad spectrum of problems with your 2009 Hyundai Genesis. 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 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.

Why is the engine light on in my Jaguar?

An engine with too little fuel is at risk of total engine failure, and an engine with too much fuel will create excessive smoke and odor. Faulty Mass Air Flow Sensor: When exposed to dirty or particle-rich air, the Mass Air Flow (MAF) sensor could fail.

https://www.youtube.com/watch?v=Js1Ncwb37DE

Why is my engine light on in my Porsche?

Your spark plugs create a hot spark that ignites the air-and-fuel mixture in the cylinder, allowing your engine to start and run. Faulty spark plugs or spark plug wires can cause your engine to misfire, reducing fuel economy, performance, and even prevent it from running altogether.

Why is the RPM gauge on my Hyundai not working?

More than likely your crankshaft sensor has completely failed or fails once it heats up. The ECM takes the readings from the crankshaft and camshaft position sensors and uses that to determine when to fire the injectors, spark the plugs and shift the transmission.

Is the RPM gauge on my Sonat 4cyl working?

Have an 04 Sonat 4cyl with 141,000 miles. RPM Gauge doesn’t work most of the time and check engine light is on. Went to Oriles and they said the code was p0320….

How does the ECM work on a Hyundai?

The ECM takes the readings from the crankshaft and camshaft position sensors and uses that to determine when to fire the injectors, spark the plugs and shift the transmission. You should be able to replace this yourself fairly easily. I had one fail on my old car when it got warmed up the car would not restart until it cooled down.

What causes a P0300 misfire in a Hyundai?

A misfire from one or more cylinders can be caused by many reasons from a faulty ignition system, fuel system or internal engine failure. When P0300 occurs it should be fixed immediately as long term driving with engine misfires could cause consequential damage to the engine in your Hyundai.

Have an 04 Sonat 4cyl with 141,000 miles. RPM Gauge doesn’t work most of the time and check engine light is on. Went to Oriles and they said the code was p0320….

What does it mean when your check engine light is blinking?

The check engine light is blinking while driving: Not to be confused with the light occasionally flickering in the first situation, if your check engine light is blinking consistently that typically indicates there is a major issue with your vehicle and you should pull over when safe.

Where do I find the fault code on my Hyundai?

Connect your OBD-II scanner into the OBD-2 port under the dashboard on the driver’s side. Note: Even a $20 generic OBD-2 scanner can retrieve check engine / ECU Hyundai fault codes. Those are P-codes in the Hyundai list below.

Where can I get an OBD code for my Hyundai?

Full list of OBD II Diagnostic Trouble Codes for your Hyundai. If your Check engine light is on you may have a serious problem. Scan your codes and follow the chart to determine what the code means. Some shops will scan your codes for free. Autozone is one place that will give you the code number.

What to do if your check engine light is on?

If your Check engine light is on you may have a serious problem. Scan your codes and follow the chart to determine what the code means. Some shops will scan your codes for free. Autozone is one place that will give you the code number. Use the code information to help guide you in the right direction.

Why is the Check Engine light on in a Hyundai?

The Hyundai Tucson malfunction indicator light (MIL), often referred to a the check engine light comes on and stays on when there’s a malfunction with the emission control system. Usual causes of the check engine warning light are faulty mass airflow sensor, faulty oxygen sensor or faulty exhaust gas recirculation valve (EGR).

How to read a check engine light code?

How to Read Codes From Your Check Engine Light (For Older Cars) Step 1: Find Your Vehicle’s Diagnostic Plug . The first step is to find your vehicles diagnostic plug. The one in my car was a small blue plug that was Step 2: Bridge the Wires. Step 3: Watch the Flashing Light and Decipher the Code.

How to ckeck engine light codes?

Chevy Check Engine Light Codes Connect scan tool to the 16-pin data link connector (DLC) located underneath the steering column. The connector may have a removable cover. Turn the ignition on. Follow scan tool manufacturer’s operating instructions to access the Diagnostic Trouble Codes (DTC’s).

What kind of engine codes does a Hyundai have?

This list contains more than the Hyundai Check Engine Codes. Here you will find Hyundai ABS, Airbag, and Transmission DTC codes. P0244 Turbocharger/Supercharger Wastegate Sol. ‘A’ Range/Performance P0245 Turbocharger/Supercharger Wastegate Sol. ‘A’ Low P0246 Turbocharger/Supercharger Wastegate Sol. ‘A’ High

What does it mean when check engine light is on but no codes?

No code being generated on the reader does not mean the driver is in the clear. In fact, when the light is on, the odds are just as high that there has actually been something wrong for a while even if no code is generated.

What’s the best way to reset a check engine light?

In such a case, it is highly recommended to check the codes with a scanner instead. Switching the ignition on and off is also one method of hard reset without disconnecting batteries. Put the keys in your ignition and turn your ignition on and off consecutively after a second in each step.

Why is my Check Engine light still on after filling up?

The cap is a crucial part of a car’s fuel delivery system. It notably prevents gasoline fumes from leaving the fuel tank, and it helps keep the whole system under the correct pressure. If your check engine light turns on immediately after a fill-up, pull over and make sure the cap isn’t loose — or still on your car’s roof.

Why is my Check Engine light on in my Bugatti Chiron?

The monstrous Bugatti Chiron has 16. No matter how many you have though, a malfunctioning coil will almost certainly trigger the check engine light, but remember, if your car burns diesel, you have neither ignition coils nor spark plugs.

What does the malfunction indicator light on a Hyundai mean?

On Hyundai cars, this is called the Malfunction Indicator Lamp (MIL), but you’ll probably know it as the check engine light. When the check engine warning light is illuminated it’s often accompanied by tell-tale signs that the engine is not working properly, such as a lack of power or stuttering as you press the accelerator.

What does the ESC light mean on a Hyundai?

The ESC light will light up with the word ‘OFF’ if the system has been deactivated, in which case you may have inadvertently turned it off. To check, try stopping and restarting the engine. If the light remains on after restarting get it checked at a garage as the ESC system is an important safety feature.

Why does my DPF light come on in my Hyundai?

If you have a diesel Hyundai car, this light will come on if there is a problem with the exhaust particulate filter, which removes harmful soot from the exhaust gases to reduce emissions. It could indicate that the filter has become blocked with soot. Can I still drive with my DPF light on?

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 check engine light keep blinking?

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.

What causes the Check Engine light to come on in a Hyundai?

In a Hyundai, the check engine light comes on as soon as the onboard diagnostic system ( OBD ) detects that there’s an issue with the way the engine operates or Evaporative Emission Control System ( EVAP) which is used to prevent gasoline vapors from escaping into the atmosphere. A fault code stored in…

What does “check engine” light usually mean?

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.

Why check engine light is still on?

One Sensor has a Loose Electrical Connection or is Damaged.
trucks and SUV’s are very carefully monitored for fuel economy and emissions.
Damaged O2 sensor.
Catalytic Converter is Clogged.
Air Filter or Fuel Filter is Dirty.
Mass Air Flow Sensor is Damaged.
Engine has Oil Lubrication Issues.

Why is engine check light on in Hyundai Sonata?

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.

The cap is a crucial part of a car’s fuel delivery system. It notably prevents gasoline fumes from leaving the fuel tank, and it helps keep the whole system under the correct pressure. If your check engine light turns on immediately after a fill-up, pull over and make sure the cap isn’t loose — or still on your car’s roof.

What to do if your Hyundai Accent wont start?

I check all relays, fuses and even replaced the cam and crank sensors and still no luck. The next day i went out to the car and turned the key and the check engine light came on and the car started, once i drove to the store and them vehicle had heated up to normal operating temp and then i turned the vehicle off and went about my business.

What to do if your check engine light does not reset?

If your check engine light does not reset itself, you need to use an OBD2 scanner to do it. If you want to reset the check engine light with an OBD2 scanner, you can follow this guide: How to reset check engine light.

The check engine light is blinking while driving: Not to be confused with the light occasionally flickering in the first situation, if your check engine light is blinking consistently that typically indicates there is a major issue with your vehicle and you should pull over when safe.

Why is my Hyundai Accent check engine light not working?

I had cleaned the engine a few days earlier but had not used it. Dampness got into the spark plug area and was causing a short. All is now ok but had to have the fault cleared from the memory. You are not to use water to clean the engine i was told. Water had got into the area of spark plugs and was causing a short.

Is there a way to reset the Check Engine light?

If you want to reset the check engine light with an OBD2 scanner, you can follow this guide: How to reset check engine light. For the check engine light to reset itself, you do need to repair the problem and not expect it to just disappear without doing anything about it.

What does it mean when check engine light comes on?

If those things check out, then a Check Engine Light doesn’t necessarily mean you are stranded. If, however, the Check Engine Light starts blinking, it means the condition is severe enough to do damage to the catalyst and you need to stop right away.

What does the warning light on my car mean?

Most modern cars have onboard diagnostic systems. This system consists of a car computer that monitors various sensors in multiple car components. If your car has a problem, the sensors will capture this problem and send it to the onboard computer to display a warning light on the dashboard.

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.

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.

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.

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….

What should I do if my check engine light is not on?

Most vehicle manufactures also have their OEM codes that some Readers and Scanners can’t seem to read for lack of conversion ability. Check the make and model of your reader to see what it is built for and if all else fails, head into a parts store and they should be able to read the issue at no cost to you.

If you have a diesel Hyundai car, this light will come on if there is a problem with the exhaust particulate filter, which removes harmful soot from the exhaust gases to reduce emissions. It could indicate that the filter has become blocked with soot. Can I still drive with my DPF light on?

The ESC light will light up with the word ‘OFF’ if the system has been deactivated, in which case you may have inadvertently turned it off. To check, try stopping and restarting the engine. If the light remains on after restarting get it checked at a garage as the ESC system is an important safety feature.

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.

What to do if check engine light is on but no code?

Check the make and model of your reader to see what it is built for and if all else fails, head into a parts store and they should be able to read the issue at no cost to you. No code being generated on the reader does not mean the driver is in the clear.

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