Why My 2017 Hyundai Tucson Check Engine Light Is Flashing?

Are you nervous because your 2017 Hyundai Tucson check engine light is flashing? It can be concerning to drive with a flashing check engine light, especially when you’re unsure about the potential issue. When this happens, the first step is to gather information about the cause of the issue.

In this article, we will provide nine possible reasons for a flashing check engine light in a Hyundai Tucson and offer valuable information on how to address the issue.

1: What Causes a Flashing Check Engine Light in 2017 Hyundai Tucson?

The check engine light is commonly referred to as the Malfunction Indicator Light (MIL). It is a crucial part of your vehicle’s onboard diagnostic system. When the light flashes, it indicates a more serious issue that requires immediate attention. Some common reasons why the check engine light may flash in a 2017 Hyundai Tucson are given below:

1.1: Need of new spark Plugs or Plugs Wires for the 2017 Hyundai Tucson:

Spark plugs and plug wires are essential components for your car’s ignition system. Over time, they can wear out, leading to diminished engine performance and reduced fuel efficiency. Therefore, replace them every 30,000-50,000 miles, depending on your car’s make and model.

1.2: Your catalytic converter is bad or going bad:

If the check engine light is flashing on your 2017 Hyundai Tucson, It is possible that there is an issue with the catalytic converter. In a vehicle, the catalytic converter transforms harmful gases that are produced into less harmful emissions. If it’s not working correctly, your car may fail emissions tests, have reduced fuel efficiency, and produce a strong odor. It’s important to have it checked by a professional and replaced if necessary.

1.3: Your mass airflow sensor (known as MAF) needs to be replaced:

The MAF sensor measures the amount of air that enters the engine and assists in regulating fuel delivery. If it’s not working correctly, your car’s engine may run poorly, have reduced fuel efficiency, or even fail to start. It’s generally recommended to replace the MAF sensor every 50,000-100,000 miles.

1.4: Your O2 Sensor (Oxygen Sensor) needs to be replaced:

The O2 sensor keeps track of the oxygen concentration within the exhaust gases and helps regulate fuel delivery. If it’s not working correctly, your car’s engine may run poorly, have reduced fuel efficiency, or even fail to start. Therefore, replace the O2 sensor every 60,000-90,000 miles.

1.5: The battery is low or dead:

The battery supplies energy to initiate the engine’s operation and power various electrical components within your vehicle. If it’s low or dead, your car may not start or may have reduced performance. It’s generally recommended to replace the battery every 3-5 years, depending on usage.

1.6: Your 2017 Hyundai Tucson has a vacuum leak:

A vacuum leak happens when air enters the engine through an unintended opening. This can affect engine performance, impact fuel efficiency, and even lead to engine damage. It’s important to have it checked by a professional and repaired if necessary.

1.7: Gas cap is loose:

If the gas cap isn’t tightly sealed, it can lead to the escape of fuel vapor from the fuel tank, leading to reduced fuel efficiency and emissions. Always ensure the gas cap tights properly after refueling. If the ‘check engine’ light comes on, it may be the result of a loose gas cap. So, tighten the loose gap and see if the light goes off.

1.8: Issues with all aftermarket items:

Aftermarket items can have compatibility issues and may not work well with your car’s existing components. They may also not meet the same quality standards as original equipment manufacturer (OEM) parts, leading to potential safety concerns. Always ensure you purchase aftermarket items from a reputable seller and do thorough research before buying.

1.9: Engine Overheating:

An overheating engine is a serious concern in the 2017 Hyundai Tucson. Engine Overheating can lead to severe engine damage if not addressed immediately. A flashing check engine light may show that the engine is overheating due to issues like low coolant levels or a malfunctioning thermostat.

1:Risks of Ignoring a Flashing Check Engine Light in 2017 Hyundai Tucson:

If You are Ignoring a flashing check engine light can lead to significant consequences, including:

• Further engine damage: If You are Continuing to drive the 2017 Hyundai Tucson with a flashing check engine light. It may exacerbate existing problems, leading to costly repairs or even complete engine failure.
• Reduced fuel efficiency: Engine issues can significantly reduce your vehicle’s fuel efficiency, leading to increased fuel costs and harmful emissions.
• Compromised safety: Certain engine issues can lead to a loss of power or stalling, which could be dangerous while driving. 

2:How to Diagnose and Resolve a Flashing Check Engine Light?

If your 2017 Hyundai Tucson check engine light is flashing, take the following steps to diagnose and resolve the issue: 

• Pull over and turn off the engine: If you are driving and notice the check engine light flashing, find a safe place to pull over and turn off the engine. This helps prevent further damage and allows you to assess the situation.

• Check for any visible issues: Conduct a visual inspection of your vehicle to check for any apparent indications of damage or problems, such as leaks or the presence of smoke. 

• Retrieve the trouble codes: An OBD II scanner is used to retrieve diagnostic trouble codes from the vehicle’s onboard computer. These codes will help you pinpoint the source of the issue. 

• Address the issue: Depending on the specific DTC, you may be able to resolve the issue yourself by changing spark plugs, ignition coils, or other components.

In some cases, however, you have required professional assistance. When the engine light is flashing, you should not continue driving.

3:Conclusion:

In conclusion, a flashing check engine light in your 2017 Hyundai Tucson should not be ignored. It could be an indication of significant issues such as a bad catalytic converter, a vacuum leak, or a failing O2 or MAF sensor. If you correctly diagnose and repair, it not only prevents further damage but also guarantees your safety while driving on the road. It’s crucial to have a professional mechanic check your car and address any underlying problems to keep your Hyundai Tucson running smoothly.

4: FAQ About Hyundai Tucson Check Engine Light Flashing

Q1: Is there any way to prevent the check engine light from flashing in my Hyundai Tucson?

A: The best way to prevent a check engine light from flashing is to ensure that your vehicle receives regular maintenance and service by a certified technician, such as one at a Hyundai dealership. Regular tune-ups, oil changes, and other services can help to prevent many potential issues that would cause a check engine light to flash. Additionally, if something is wrong with your car’s engine or emissions system, addressing the issue quickly helps to avoid further damage or more serious problems that may trigger a flashing check engine light.

Q2: What should I do if I can’t fix the check engine light flashing issue in my Hyundai Tucson?

A: If you cannot fix the check engine light issue with your Hyundai Tucson, then it is best to take the car to a certified technician for diagnosis. They can identify the cause of the problem and recommend repair or replacement services as appropriate. Additionally, they can ensure that any emissions-related repairs are done correctly to prevent any further issues.

Q3: Are there any recalls related to a flashing check engine light in the Hyundai Tucson?

A: At this time, no recalls have been issued for the Hyundai Tucson related to a flashing check engine light. If you are experiencing an issue with your car’s check engine light that you think could be related to a recalled part, it is best to visit your local dealership for service and verification.

Q4: How can I troubleshoot the issue if the 2017 Hyundai Tucson check engine light is flashing?

A: If the check engine light in your 2017 Hyundai Tucson starts flashing, then you should first try to reset it by disconnecting the car battery for a few minutes. If that does not work, it’s advisable to bring your vehicle to an authorized technician.

Q5: How can I check if the 2017 Hyundai Tucson’s check engine light is flashing?

A: You can easily tell whether or not your Hyundai Tucson’s check engine light is flashing by looking at it from the outside of the car. If it is flashing, then it will be constantly blinking instead of staying on steadily. Additionally, you may hear other indicators, such as a noise coming from the engine or an unusual smell, that could mean something is wrong and needs to be fixed immediately.