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Ram Check Engine Light: What It Means and What to Do

Discover everything about Ram check engine light

Ram check engine light is a crucial indicator that can warn drivers about underlying problems with their car’s engine or emission system. The light signals that the onboard diagnostic system has detected a fault.

Check engine light turns on due to faulty oxygen sensors, mass air flow sensor issues, or failing catalytic converters. These problems can lead to decreased fuel efficiency, reduced engine performance, and increased emissions, among other concerns.

In this guide, we have included all the information on some common causes of the Ram engine warning light and the process to reset it. We also consulted with manufacturers and professionals to prepare this complete Dbd guide.

What does the Ram check engine light mean?

inarticle image-ram check engine light-What does the Ram check engine light mean_

The check engine light in a Ram car will turn on if there is something wrong with the engine or emission system.

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The engine malfunction indicator can indicate problems with different parts, such as the oxygen sensor, MAF sensor, catalytic converter, or fuel tank. These issues can cause a reduction in the car’s gas mileage and performance.

When the check engine light is steadily on, it implies that the problem is not severe but needs attention. However, if the light starts flashing, immediate action is crucial to prevent expensive repairs and further damage to the vehicle.

Furthermore, it is crucial to identify and address the underlying cause of the problem as soon as possible to prevent severe car problems. Once the issue is resolved, the check engine light should turn off.

Neglecting the problem could lead to more severe issues. So, it’s best to fix the issue immediately by secure checking to avoid further damage.

Common causes of a Ram check engine light

inarticle image-ram check engine light-Common causes of a Ram check engine light

When the Ram check engine light comes on, it signifies various engine or emission system problems. Some of the common causes of a Ram check engine light are as follows:

  • Loose, broken, or missing gas cap
  • Failing or clogged catalytic converter
  • Fouled spark plugs or spark plug wires
  • Faulty oxygen sensor
  • Faulty mass air flow sensor

Neglecting the check engine light could adversely affect the car’s performance. It can result in reduced gas mileage and increased emissions and it can also lead to severe damage. 

For instance, a faulty oxygen sensor can cause the car to burn more fuel than necessary, leading to increased expenses.

It is critical to promptly address any problems the check engine light indicates. By regular maintenance, you can avoid significant repairs down the road.

What to do when the Ram check engine light comes on

If the check engine light in your Ram car comes on, it’s crucial to take it to an auto repair shop for an engine tune-up as soon as possible. 

Ignoring the light could cause reduced fuel efficiency and car performance, as well as damage the engine and emission system.

Check the gas cap

To ensure a safe driving experience, car owners must address any warning signs immediately.

When the check engine light comes on, the first step is to check the gas cap. If the cap is loose or damaged, it may cause the engine light to flash. 

Have a mechanic diagnose and repair the issue

If checking the gas cap doesn’t fix the problem, seeking professional help from an auto repair shop is essential. They can read codes, diagnose the issue, and provide an accurate solution to the problem.  

inarticle image-ram check engine light-Have a mechanic diagnose and repair the issue

Preventative maintenance

Driving with the check engine light on may cause significant damage to your vehicle. It could affect the engine and other critical components.

Additionally, it may lead to reduced fuel efficiency, costing you more money in the long run.

Thus, it’s essential to address any warning signs as soon as possible to prevent further damage and ensure a safe driving experience.  

How to reset the Ram check engine light

Resetting the engine light flashing is a crucial step in car maintenance to identify new issues promptly.

Here is a detailed guide on how to reset the Ram check engine light to keep your vehicle operating smoothly:

Step 1: Turn off the engine and all the accessories

Begin by turning off the engine and all accessories and letting it cool down for a few minutes to prevent burns.

Step 2: Disconnect the negative terminal of the battery

The battery is responsible for powering the car’s electrical system and is usually located under the hood or in the trunk. To reset the light, find the battery and disconnect the negative terminal using a wrench or socket set.

Step 3: Wait for a few minutes

Using a wrench or a socket set, loosen and remove the negative terminal on the battery.

This step is critical to avoid any accidental shocks or electrical issues. Besides, Remember to avoid touching the positive terminal with the wrench or socket set.

Step 4: Reconnect the negative terminal of the battery

After disconnecting the battery, waiting a few minutes is essential to allow any residual electricity to discharge. This step ensures the check engine light is fully reset and ready for use.

Step 5: Start the engine and let it run for a few minutes

Once you’ve waited a few minutes, reconnect the negative terminal on the battery and tighten it securely, ensuring it’s properly connected and free from corrosion.

Step 6: Check for any warning lights

Check the dashboard for any warning lights. The check engine light should be off, indicating that the system has been reset. Remember to monitor the car’s performance and promptly address any issues to prevent further damage.

Resetting the check engine light is crucial in preventing confusion and promptly identifying new issues.

Moreover, failure to reset the light can lead to a driver assuming that the issue has been resolved when it has not. 

Likewise, the light can mask new problems requiring proper diagnosis and repairs.

By resetting the engine light, the OBD II system is cleared, making it easier to identify any new issues. 

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Can a loose gas cap cause the check engine light to come on in my Ram?

Yes, a loose gas cap can cause the check engine light to come on in your Ram. The cap should be tightened until it clicks to resolve the issue.

Is it safe to continue driving with the check engine light on in my Ram?

No, it’s not recommended to continue driving with the check engine light on in your RAM. The light may indicate a serious problem that could cause further damage to your vehicle.

How much does it cost to fix the issue causing the check engine light in Ram?

The check engine light can state issues from a loose gas cap to a malfunctioning catalytic converter. Getting a correct diagnosis with a code reading typically costs between $88 and $111.

Will disconnecting the battery reset the check engine light in my Ram?

Yes, disconnecting the battery may reset the check engine light, but it’s not a recommended solution.

Diagnosing and fixing the underlying issue before resetting the light is better.

In conclusion, the Ram check engine light is an important system that signals any problems with the engine.

We hope our guide has provided you with all the necessary information you need to know about check engine lights for Ram.

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DbdPost Staff is a team of writers and editors working hard to ensure that all information on our site is as accurate, comprehensive, and trustworthy as possible. Our goal is always to create the most comprehensive resource directly from experts for our readers on any topic.


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