Why is the check engine light on in my Dodge Charger?

Possible Reasons for the Check Engine Light in a Dodge Charger
The check engine light in a Dodge Charger can come on for various reasons. Here are some common causes based on the search results:
1. Loose Gas Cap: One of the most common reasons for a check engine light in a Dodge Charger is a loose gas cap. This is also one of the easiest problems to fix.
2. Catalytic Converter Issues: If the catalytic converter is going bad, it may cause the check engine light to come on, especially after high usage due to stop-and-go driving.
3. Sensor Failure or Emissions System Issue: A check engine light usually means a sensor failed with the emissions system or something has gone wrong and was flagged. It’s important to pull the code(s) to see what the issue is.
4. Battery or Alternator Issues: A weak or improperly charged car battery can result in a flashing check engine light, indicating a more pressing concern that requires immediate attention.
5. Coolant Thermostat: The code P0128 indicates a coolant thermostat issue, which can also trigger the check engine light.
Resetting the Check Engine Light
If the issue causing the check engine light has been resolved, the light may shut off on its own after about 20-40 miles. However, if the light persists, it’s important to diagnose the specific problem that is causing the light to illuminate to prevent any further damage to the vehicle.
You can reset the check engine light on a Dodge Charger by either removing the positive and negative terminals from the battery or using an OBD scanner to pull up the check engine light and reset it from there.
It’s crucial to address the underlying issue causing the check engine light to come on to ensure the proper functioning of the vehicle and to prevent any potential damage.
If you need further assistance with diagnosing and resolving the check engine light issue in your Dodge Charger, it’s recommended to consult a qualified mechanic or dealership for professional service and guidance.

What is the most common reason for the check engine light to come on?

One of the most common reasons your check engine light may come on is that your oxygen sensor is failing. Your local auto repair shop in Western Washington can replace it for you quickly, which will restore your vehicle’s ability to measure unburned oxygen in its exhaust system.

What would trigger a check engine light?

When your car’s internal computer identifies a problem with the engine or transmission, it turns on the check engine light. The reasons for a check engine light turning on can range from something minor like a loose gas cap to something more serious like a faulty catalytic converter.

What causes the check engine light to come on in a Dodge Charger?

Dodge Charger Check Engine Light Flashing
Other often common reasons for a Check Engine Light are faulty head gasket, broken oxygen sensor, a malfunction with the fuel injection system, dirty mass airflow sensor, defective emissions control part, or faulty spark plugs to name a few.

How do you treat a check engine light?

What to Do About the Check Engine Light

1. Look for a serious problem that requires immediate attention. Check your dashboard gauges and lights for indications of low oil pressure or overheating.
2. Try tightening your gas cap.
3. Reduce speed and load.
4. Use built-in diagnostic services, if available.

How do I know if my check engine light is serious?

If the check engine light is flashing, you have a major problem, and you need to stop driving the vehicle as soon as possible.

Can low oil cause check engine light?

Low Oil and Check Engine Light
However, low oil pressure, which can be caused by low oil levels, can be a reason for the check engine light to turn on. Low oil pressure can seriously interfere with your car’s performance and disable your vehicle if not addressed immediately.

Is it OK to drive with check engine light on?

Whether or not you can drive with the check engine light on depends on the severity. If the light comes on and remains on, yet everything seems to be working like normal, you should be able to continue driving. But it is important to schedule an appointment to have the issue diagnosed and fixed.

Why is my engine light on but nothing seems wrong?

Sometimes the light may come on after fueling if the gas cap is a little loose. Or it could mean your catalytic converter needs to be inspected. Either way, it is never a good idea to ignore the problem forever. It could lead to a severe problem by making whatever is wrong with your vehicle even worse.

What does a solid check engine light mean?

A steady check engine light indicates a non-emergency issue, such as a loose gas cap. Flashing check engine lights warn of severe situations requiring immediate attention.

What does check engine light mean on Dodge?

Dodge Check Engine Light Flashing
Other common reasons for a Check Engine Light are a malfunction with the fuel injection system, damaged oxygen sensor, faulty emissions control part, dirty mass airflow sensor, faulty head gasket, or defective spark plugs to name a few.