This overview discusses the common problems that trigger the Dodge inspect engine irradiate to remain on and how to diagnose the difficulty yourself. 

What walk Dodge examine Engine LightEngine light Mean?


If your Dodge inspect Engine LightEngine Light (CEL) is remaining on when you begin the car or come on while driving, it indicates that the On-Board Diagnostics (OBD) system has detected a problem.

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A solid examine engine light does not constantly mean one emergency, but it is essential to have actually the codes check out as soon engine light does not always mean an emergency, however it is vital to have actually the codes review as quickly as possible.

If your Dodge check engine light engine light is flashing, it method the ECU has detected one engine misfire. Do not run your automobile for an extended period. Driving as soon as the check engine is flashing can cause damage to the engine and also cataltyic converter.

Ignoring the CEL warning light have the right to cause much more problems down the road.

Also, keep in mind the your fuel economic situation may be reduced if her Dodge CEL/MIL light is on, and exhaust emission generally increases.

Your Dodge examine engine light can come top top for assorted reasons. When it could be something as simple as a loose gas cap, end 100 diagnostic trouble codes (DTC) can trigger the check eengine light can come ~ above for assorted reasons. When it could be miscellaneous as basic as a loose gas cap, over 100 diagnostic problem codes (DTC) can cause the inspect engine lightengine light.

Without analysis the codes, that is impossible to recognize what is wrong. Listed below you will discover instructions on reading codes yourself or whereby you have the right to have them read for free.


Symptoms girlfriend may notification when her Dodge inspect engine lightengine irradiate is on.

Reduced engine powerEngine shaking as result of misfireReduced fuel economy

In part cases, you might not notice any symptoms except inspect the engine light or business engine soon light top top the dashboard.

Most common Problems


Seven that the most typical problems the can cause the inspect engine light to come on a dodge engine irradiate to come on a Dodge car are:

A loosened gas cap or gas cap demands to it is in replaced.Intake vacuum leak

It is daunting to know why your Dodge check engine light is ~ above without reading the faengine irradiate is ~ above without reading the fault codes. 

What come do once the Dodge check engine lightengine light come on?

If her Dodge examine engine irradiate is on, in most cases, you can continue to operate the car if there room no performance issues and the check engine irradiate is Nengine irradiate is on, in many cases, girlfriend can proceed to run the vehicle if there are no performance issues and the inspect engine irradiate is Nengine light is no flashing.

 See the the next mechanic or dodge dealer if the inspect engine light isengine irradiate is flashing. 

1. Monitor Dashboard Warnings

Check her dashboard warning lights and also gauges. Make certain there are no warning lamp for short oil pressure or engine overheating.

Drive with caution and continue to monitor exactly how the vehicle is running. If the engine sound different, the trouble may it is in serious and should it is in diagnosed immediately.

2. Inspect Gas Cap

Check her gas cap to make sure it is ~ above tight. If you uncover that the gas cap was loosened or removed, tighten it till you hear that click.

If you have actually a capless design, check the flap because that debris and make sure it closes properly. 

After a couple of driving cycles, the light will turn off top top its own because the ECU will keep on checking the EVAP system. 

It will take a few driving cycles for the irradiate to reset, and in most cases, the irradiate resets within 2 to 3 days.

3. Monitor Engine Temperature

Next, you should monitor the engine temperature. If your check engine light came on since of an engine misfire, the engine might be going engine light came on because of one engine misfire, the engine can be going come overheat.

If the engine does overheat, it deserve to lead come a blown head gasket, which deserve to be a costly repair, particularly if your examine engine irradiate is flashing engine light is flashing or blinking.

If the engine is overheating or the oil light is ON, you must pull over and shut off the engine as soon as possible.

4. Mitigate Speed and Load

If your examine engine irradiate is on, minimize your speed and also not unnecessarily fill on the engine. If you are towing a trainer, either alleviate the speed substantially or remoengine light is on, minimize your speed and also not unnecessarily load on the engine. If you are towing a trainer, either minimize the speed significantly or remove the load.

5. Check out Diagnostic trouble Codes and Reset check Engine LightEngine Light

Let"s look at at just how you can use an OBD-II scanner to check out codes related check engine codes.


Turn top top the ignition. It is not important to begin the engine if your Dodge has actually a Start/Stop button. Push it twice without pushing the brake pedal to turn on the accessories and the OBD-II port.Read dodge fault codes. Accuse on this step will vary relying on the scanner the you space using. For her convenience, us have provided videos top top using assorted OBD2 scanners to read codes and also clear the Dodge check engine lightengine light.

Clearing codes without addressing the difficulty that triggered the CEL walk not fix the problem. Always address the problem first, climate clear the inspect engine lightengine light.

These instructions work-related on 1996 and newer dodge vehicles such as Dodge cool Caravan, Stratus, Viper, Challenger, Charger, Avenger, Caliber, Dart, Magnum, Neon, Durango, and also Journey.

How to check out Dodge password without a scanner

For example, you can retrieve the password without a scanner top top a few Dodge vehicles such together Dodge Dakota and Grand Caravans.

Cycle the crucial in the ignition three times. Turn an essential to ON, climate OFF 3 times.Leave the vital in the top top position.Wait five seconds.

Dodge examine Engine light FlasEngine irradiate Flashes 10 Times

If you rotate the vital to the ON place (or vital in ACC position) however do not begin the engine, you may notification the inspect engine light flashes 10x times. This happens if yengine irradiate flashes 10x times. This happens if you freshly disconnected the battery or provided an OBD-II scanner to clear the codes.

It way that one or an ext of the emissions systems are not ready, well-known as the I/M readiness test.

All the equipment will be tested together you drive the vehicle, and also the light normally stops blinking ~ a couple of driving cycles.

If her Dodge CEL flashes 10 time at startup, proceed to drive her Dodge, and also the light must stop blinking in ~ a few days. perform NOT drive if the car if the CEL proceeds to flash once the engine is running.

It is important to understand that if your Dodge examine engine light is flashing 10 times, and you take the vehicle for an emissions test, it will fail since at the very least one the the following systems iengine light is flashing 10 times, and also you take it the vehicle for an emission test, it will fail since at the very least one of the following systems is not ready:

Fuel SystemCatalystHeated CatalystSecondary waiting SystemOxygen Sensor Sensor Heater

Even if your check engine light transforms off, but one or an ext of these solution is not READY, your Dodge is not ready for emissiengine light turns off, yet one or much more of these solution is no READY, your Dodge is not prepared for emissions testing.

Once all the systems provided above are tested by the onboard diagnostic system and also the car is all set for emission test, the inspect engine light will come on because that a few seconds then rotate off. It will not blink and should not remain on when the engineengine light will come on for a couple of seconds then rotate off. It will certainly not blink and also should not remain on when the engine is running.

If friend think the irradiate is flashing 9 or 11 times, count it again. It need to blink ten times.

When you call your evade dealer or any kind of auto mechanic, you will be request to carry the vehicle for a diagnostic.

The factor is the they have to plug in a scan device to check out the password from the ECU. This is a procedure that you can perform if you have actually the right tools.

For this checkup, dodge dealers charge between $80 and $130. If her Dodge is tho under warranty, your Dodge dealer will perform diagnostic complimentary of charge.

Also, keep in mind that a couple of Dodge dealerships may offer cost-free check engine irradiate engine light diagnostics.

Just analysis the password is the starting point. Her dealer will make suggestions on the components that should be replaced based on the diagnostic results.

The main benefit of acquisition your car to the dealer is that the dealership"s scanner provides more detailed information than the password that you retrieve making use of a share OBD-II scanner.

The diagnostic fee fee at the dealership or the mechanic go not incorporate the expense to deal with it.

If you decision to have actually the automobile fixed at the same location that perform the diagnostics, questioning the manager come waive the diagnostic fee. In many cases, they will if girlfriend ask in advance.

Fault Codes

While numerous Diagnostic problem Codes (DTCs) are several of the most typical fault password that plenty of Dodge owners may experience.


This code indicates a very little leak in the EVAP system. A common problem v Dodge van such together Dodge ram gasoline engine is a rotted hose because that the EVAP system.

The hoses native the fuel tank to the engine have the right to crack end time. The difficulty could also be the NVLD valve. Together with the P0456, friend may likewise get P0440 or P0442. These room EVAP codes. If friend have any of these codes, inspect the gas cap together well.

P0456 & P0457

If the P0457 and P0457 codes come up and also your inspect engine irradiate is on, the very first you must do is to check or also replace engine irradiate is on, the an initial you should do is to inspect or also replace the gas cap.


If the code remains, there is a high possibility that you have actually a defective leak detection pump. Her Dodge leak detection pump have the right to be accessed from underneath the car. It deserve to be replaced without remove the fuel tank.

P0306, P0303 or P0300

These codes average that the Engine regulate Unit has actually detected an engine misfire. Any of the following can reason these codes:


Bad spark plugsDefective ignition coilFuel injector dirtyMass airflow sensorDamaged catalytic converterThese are just a couple of of the difficulties that can cause a cylinder misfire.

To identify the reason of P03XXX codes, you must perform more troubleshooting.


A defective EGR valve normally triggers this code. The EGR valve may have actually a poor solenoid or carbon blockage.

In many cases, the valve is replaced, i m sorry is a task that many DIYers deserve to tackle themselves.

While that is no required, the is encourage to disconnect the battery while replacing the EGR valve. Friend can additionally clean the EGR valve, but no guarantee cleaning it will solve the problem.


The P0562 code have the right to be prompted if a low device voltage is detected. In addition to the P0562 light, you may also get a red battery warning light on the dashboard.

Newer evade vehicles may even get in a limp (fail-safe) setting when this password is present. Short voltage can be caused by a bad alternator or voltage regulator. It can likewise be led to by negative ground connection, corroded battery terminals, or a battery that has actually a negative cell.

If you review the codes and also your Dodge has code P0562, resolve the trouble as quickly as possible. If ignored, you might experience other problems such as the engine refusing come start, poor fuel economy, or transmission not changing out of Park and into Drive.


If your Dodge examine engine light is on and also you acquire code P0404, the meanengine irradiate is on and also you obtain code P0404, it means that your Dodge Exhaust Gas Recirculation (EGR) valve is operation out of range.

The EGR valve aims to recirculate exhaust gases and also send them ago into the engine to reduced the NOx emissions.

A brand-new Dodge EGR Valve prices anywhere native $50 to $200 and is replaced at the dealer ~ above average. You will certainly pay between $300 and $550.

The EGR is an installed on your Dodge engine near the exhaust. In many Dodge vehicles, it is reasonably easy to replace.

This is a project that most DIYers have the right to perform in your driveway as lengthy as you have the correct tools.

Keep in mind that the EGR valve itself may not always be the problem. The difficulty could also be the signal from the EGR valve to the engine ECU.

This password has comparable symptoms to a vacuum leak as well. Make sure to examine the solenoid operation and also wiring together well. You have to perform a continuity test on the cable harness come ensure the wire harness to the EGR is not defective.

Some that the most common symptoms of the P0404 on dodge vehicles include engine dying at idle, engine stalling, or unstable idle. This is a usual problem on dodge trucks such together Rams, whereby in enhancement to the P0404 code, friend may also get the P0406 code.


A P0720 password is a generic transmission code. The code indicates that over there is a breakdown of the output obelisk sensor. The problem might be the sensor itself or the wire harness.

Common symptoms encompass delayed shifting and also the examine engine irradiate on. In some cases, a evade P0720 can likewise be caused by a defective transmission liquid temperaengine light on. In part cases, a evade P0720 can likewise be caused by a defective transmission fluid temperature sensor.

The sensor is an installed on the side of the transmission towards the end. Keep in mind that the output speed sensor is additionally used as the input rate sensor on details Dodge transmissions.

Check the present price ~ above the Dodge output rate sensor.


If your check engine light is on and you get the P0420 code, it way that the catalytic converter functions belowengine light is on and also you obtain the P0420 code, it method that the catalytic converter works below efficiency.

In most cases, the catalytic converter is the culprit, however the difficulty could additionally be one oxygen sensor not working prosensor not working properly.

One symptom of gift a bad catalytic converter is that the car may struggle to accelerate when you push the gas pedal. As soon as this password is present, the fuel economy decreases.

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This code way the evaporative emission manage system has incorrect purge flow. A P0441 code on dodge vehicles is frequently triggered by either a faulty purge regulate valve, purge solenoid, or damaged solenoid wires. This problem can be resulted in by limitations on the EVAP device or a negative vacuum switch.