Question about 2005 Chrysler Town & Country

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08' town and country shows codes p0406, p0404, p0301, p0300

Van seems to run rough at idle but does fine at operating speed.

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  • Chrysler Expert
  • 189 Answers

Egr valve is stuck open at idel exhaust gas is entering engin causing lean condition and missfire your po300 301 codes replace egr and clear codes

Posted on Feb 28, 2014

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  • 2 Answers

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Posted on Jan 02, 2017

Suraido
  • 195 Answers

SOURCE: 2006 town and country check engine light is on.

According to my OBD2 reader manual a P0406 code means the Exhaust Recirculation Gas sensor is in fault. So it means that you have a problem with your EGR valve and/or sensor. So just change them, but be warned, even jobber model go for over 100$ normally, so might be an idea to scrounge around the scrap yards.

Posted on Jul 08, 2009

  • 96 Answers

SOURCE: Town and country mini van won't atart

Can you hear the fuel pump run when you cycle the key?

Posted on Sep 18, 2009

Mustgo
  • 2359 Answers

SOURCE: 2005 Town and Country code P0404 egr

Check for

vacuum leaks on intake manifold,

the air tube between the air filter.

intake manifold vacuum hose.

===
clean throttle plate with Berryman carburator cleaner

SEE sample picture HERE
===

Also remove carbon built up behind the EGR valve and the EGR passage tube.

===

Vacuum leak WILL offset the intended 14.7 to 1 air fuel ratio.

More un-metered air (leaks) will lean out the fuel mixture.

Use small amount of Berryman carb clearer at potential air leak area will help you identify trouble spot.

At idle,just spray and listen for the RPM surge.

The in-rush of carb clearer will increase the RPM on the motor.

Record the problem spot(s) and address it later.

===

EGR carbon built up require 2+ hours to clean from start to finish.

You will need a new EGR base gasket before your start.

Locate and remove the EGR valve after the vehicle is cool down.

Carefully record the connector and vacuum line (for older vehicle) location by drawing an easily to follow diagram.

Remove the EGR valve.

Inspect the location of the carbon built-up inside the valve and the EGR passage tube.

SOAK these areas with WD-40 spary.

You will need a small screwdriver,cloth hanger and lot of newspaper and time to get this cleaning done right.

RE-SOAK the carbon and let it sit for over-night will also help.

One the last round,pass a shop vacuum of the EGR valve and the passage pipe.

Install the new EGR gasket and connectors.

Allow the vehicle to warm up outdoor to burn up any remaining WD-40.


Take it for a test drive.


Please rate my answer if it's useful to you.


Cheers,

Mustgo

Posted on Dec 19, 2009

  • 1 Answer

SOURCE: 2005 Chrysler town and country abs light on, but

We own a 2005 Chrysler Pacifica (3.8 litre) and currently have the same problem. This has happened at least 2 other times on our vehicle. Our trouble code was for a faulty ABS wheel sensor, and after searching the internet I found A LOT of other Pacifica owners had the same problem. The first time this happened to us, it was covered under the Chrysler warranty. The second time, it cost about $275 to repair. This is something that only a Chrysler / Dodge dealer can diagnose and repair. At first, we went to Firestone and they preceded to replace the brake pads, rotors, flushed the master cylinder and nothing they did seemed to work. Finally, I went to the Chrysler dealer and they immediately diagnosed the problem and fixed it. I am not sure if the computer will actually report a trouble code for the ABS problem or not. I will warn you that even though the brakes seem fine, eventually they WILL fail on you and you will have SIGNIFICANTLY reduced stopping power. Our light went on while we were down the interstate at 70 mph, and let me tell you that was a very scary situation with me, wife and two kids with NO CONTROL over how fast we could stop. Take your vehicle to the dealer and get fixed, it's not worth risking an accident. Good luck!

Posted on Dec 21, 2010

chuckster57
  • 1102 Answers

SOURCE: I have a 2006 chrysler

P0406 is EGR position sensor circuit high input. You need to replace the EGR sensor, but it's part of the EGR valve assembly. About $80.00 for the part.

Posted on Dec 24, 2010

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