With the Chrysler Town and also Country, P0404 is going to have actually the same meaning as it would certainly in any other vehicle. It’s a share powertrain code that stands for:

P0404: EGR Circuit → Range/Performance

While there space several concerns that deserve to throw the P0404 password in the Town and also Country, the most common issue is one of two people going to be carbon buildup ~ above the EGR valve, the EGR valve itself (going bad), or wiring issues.

P0404 Symptoms: Chrysler Town and Country

Most that the time, the just symptom of P0404 is walking to it is in the organization engine quickly light itself. The only exception to this is going to be when the EGR valve gets stuck open up or continues to be shut and also then litter the code.

EGR Stuck open or Shut- In that scenario, the engine will frequently idle rough, have greater intake temperatures, and more exhaust emissions. Gas odor Failure to happen State Emissions turbulent Idle Engine Stalling company Engine shortly Light
Typical EGR Valve

Depending on whether the EGR Valve is stuck open up or stuck closed is going to influence which of this symptoms space present.

If the EGR is stuck open you have the right to expect a stormy idle, stalling, worse MPG, and the smell of gas.

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If the EGR is stuck shut you might experience pinging and detonation. This must be looked at by who qualified come diagnose straight away. Detonation have the right to lead come engine damage.

P0404 Causes

Troubleshooting the reason of P0404 in her Town and Country isn’t the difficult. That’s as result of the fairly short perform of worries that would reason it, and also the relative access of the EGR valve in most situations.

Here are few of the most common reasons of P0404:

EGR Valve

It is an extremely likely the the EGR valve chin is the reason of P0404. It might be stuck open or shut. The EGR’s project is to recirculate a specific amount of exhaust gas earlier into the burning chamber.

When it stops working to recirculate this gas it deserve to raise the combustion chamber temperature. Here’s more on just how to check an EGR native AxleAddict. If you finish up determining that you require a new EGR valve, lock are reasonably affordable.

It is often possible to clean the EGR valve and also be on her way. Here’s a good video showing precisely how to do just that.


Wiring Issues

Although the is extremely likely the the EGR valve chin is the cause of P0404, it’s constantly a an excellent idea to start with the Town and Country’s wiring itself.

Starting with the wiring is smart because it is both highly likely that it’ll be the reason why the password was thrown, and also it’s no expensive to do.

You’ll be in search of an open or brief circuit that would certainly be keeping the EGR from operating properly. It’s also good to visually check the wiring exploit plug at the EGR itself. If that is damaged, repairing it should solve the problem.

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How come Diagnose Electrical problems in a vehicle (aa1car.com)


There can be other things that cause P0404 other than wiring and the EGR valve itself. But, they room not very likely. You re welcome feel free to leave a comment below if over there is anything that you would like to add that have the right to improve this article.