What Causes the Check Engine Light on Jeep Grand Cherokee?

It is common to experience issues in your vehicle in your daily life, just as much as the changes you see in the human body and health; it could be because of poor body maintenance, external weather conditions, or a medical condition. For that, when you own Jeep Grand Cherokee, a commonly reported issue is checking the engine light on a jeep grand Cherokee. Though the check engine light on Jeep Grand Cherokee is a commonly reported issue, the reason the Check Engine Light on Jeep Grand Cherokee. Hence, it is recommended to check with your mechanic before it gets any worse.

The check engine light on the jeep grand Cherokee can be as simple if the gas cap is loose or worst as issues in the emission control part. You will only be able to find the jeep’s severity if you know the reason why the check engine light is on. But using an OBDT2 scanner, you can easily detect the issue and ensure it is safe to drive further with the check engine light on.

Why Check Engine Light on Jeep Grand Cherokee?

Check Engine Light 

on jeep grand Cherokee is caused due to many reasons. The issue could be minor or worse, but driving the vehicle further with the check engine light flashing without knowing the specific reason for the issue is recommended. As previously stated, an OBDT2 scanner is used to detect the severity of the issue. If the indicator in the OBDT2 scanner turns yellow, it means the issue is mild, and there is no issue driving further, but the if the light blinks, it is not a good sign, and recommended to stop your vehicle. If the indicator in the OBDT2 turns red, it is considered a severe issue, and your vehicle should be immediately stopped.

The reason for the check engine light on the jeep grand Cherokee is related to many issues in the vehicle, as previously stated. One of the most common reasons is a loose gas cap. Apart from this, other issues like an old battery, old spark plugs, a faulty ignition system, air and fuel mixture problems, or transmission issues could be the cause of the check engine light on in the jeep grand Cherokee.

What to Do When Check Engine Light on Jeep Grand Cherokee?

When driving, if the check engine light illuminates without reason, it could fret you at times, and you will not be aware of what to do when the check engine light on jeep grand Cherokee. Once the check engine light starts flashing, stop the vehicle without driving further, it could be unsafe and worsen the issue. You can use an OBDT2 scanner to check the severity.

Now it is recommended to examine and find the specific cause for the issue, and thus below, we have listed the steps that should be taken when a check engine light ignites in the jeep grand Cherokee.

1. Visit Your Mechanic

The foremost step that you need to take when the check engine light ignites is to visit the closest mechanic in your city limits. The mechanic will use a professional scanner to run in your Jeep Grand Cherokee and detect the exact cause of the light igniting. After the scanning, a service charge should be paid.

1. Find a Retail Auto Parts Store

Suppose any defect in your battery or other auto parts should be replaced. You can purchase the necessary parts from the store by mentioning the Jeep Grand Cherokee. To replace the auto part by yourself, you should have mechanical knowledge, prior experience, or skill to follow the steps and fix the part.

What Causes the Check Engine Light on Jeep Grand Cherokee?

As we previously discussed in why check engine light on jeep grand Cherokee, by stating the possible reasons that cause the issue. We will further elaborate with reasons to give you a broader insight so you can learn what leads to the cause of the check engine light on in the Jeep Grand Cherokee.

Below are each of the reasons, briefly explained, to get an insightful idea. Keep reading to catch everything.

1. Loose Gas Cap

A common issue seen in the jeep grand Cherokee is a loose gas cap or missing gas cap. The gas caps help maintain the fuel tank’s pressure; when the cap loosens or is lost, the fuel wastage is high. Thus, it will cause the check engine light to ignite. But this is not a severe issue and can be fixed by tightening the gas cap or replacing a new one for your jeep.

1. Faulty Mass Airflow Sensor

The mass airflow sensor, also known as MAF, is responsible for measuring the amount of air and fuel entering the engine for the system to work efficiently. Since the mass airflow sensor is a crucial part of the engine system, any issues will affect the overall engine system to power the vehicle. A problem in the engine will simultaneously ignite the check engine light in the Jeep Grand Cherokee.

1. Vacuum Leak

The vacuum system helps to minimize the harmful gas fume released from the vehicle and route them when the gasoline is released from the engine. Another issue often reported in the Jeep Grand Cherokee is a vacuum leak caused when the vacuum is damaged, causing issues to the engine. Thus, if there is a vacuum leak, you will see the check engine light in the Jeep Grand Cherokee.

1. Issues in the Battery

The vehicle battery charge starts to decrease over time and eventually dies, where you will not be able to power your vehicle. Since the battery is closely related to the engine, it will cause the check engine light to ignite when there are issues with your battery. 

Conclusion

The check engine light will flash on time and sometimes starts flickering in the Jeep Grand Cherokee. The way the light is ignited determines the severity of the cause. However, it cannot be confirmed without properly examining the vehicle without a professional’s support.

In the article check engine light on jeep grand Cherokee, we have explored different topics like why the check engine light is on, what to do when the light is on, and the causes of the check engine light on in the jeep grand Cherokee.

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