Question about 2003 Chrysler Town & Country

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Error codes 442 and 456 on 2003 Chrysler Town and Country

I'm getting error codes 442 and 456 on my 2003 Chrysler Town and Country. I can see no bad hose connections or cracks in the EVAP system. I've heard that the gas cap can be a problem.


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  • Anonymous Dec 17, 2008

    Same error codes. Just found out, say I need a smoke test.

  • Jeff Bunger Aug 07, 2012

    My 2002 Town and Country is showing same codes. Was wondering what does gross leak no flow mean? and could this cause my RPM's to bounce sometimes after starting the van? I have replaced the fuel pump, fuel filter and spark plugs. Ran injection cleaner thru a tank of gas and it still wants to surge every now and then doesn't matter what time of day.

  • Anonymous Mar 14, 2014

    I have a 2003 Chrysler Town and Country when I hit the mode button to put it on the dvd player it says error and wont take in a dvd

  • Anonymous Mar 20, 2014

    shift knob wont release 2003 Chrysler town and country

  • Anonymous Mar 20, 2014

    Shift knob is stuck 2003 Chrysler town and country

  • Anonymous Mar 20, 2014

    Key will not turn in 2003 Chrysler town and country

  • Anonymous Mar 20, 2014

    My shift knob is stuck. My key will not turn. I can not start the car. Where is the shift knob release button?

  • Anonymous Mar 21, 2014

    Disc light is blinking too

  • Anonymous Mar 23, 2014

    Are all models of 2010 town and country vans wired for overhead dvd systems and can I install one

  • Anonymous Mar 24, 2014

    I have paired my phone to the Uconnect Bluetooth system on my car, but cannot figure out how to get my phone address book to go on the car Bluetooth

  • Anonymous Mar 26, 2014

    Where is the canister on a 2002 town country I have a code po456 I tighten the gas cap do I have to clear the code or will it go out if it was the cap or go to canister

  • Anonymous Mar 26, 2014

    Where is the canister on a 2002 town country I have a code po456 I tighten the gas cap do I have to clear the code or will it go out if it was the cap or go to canister

  • Anonymous Mar 31, 2014




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Could be the gas cap.  Do you fill the tank with the engine running?
Otherwise, check the hoses near the Evap canister.  I have 2003 T&C and had the small leak and large leak codes.  I looked at the evap cansiter and the hose coming from the fuel tank vapor line had a huge crack in it, to the point it had fallen off the evap caniser.  I trimmed the end of the hose and reconnected and voila, no codes.
The evap canister is on the driver's side of the van, underneath, slightly behind the drivers seat.
BTW, to clear the codes without an OBDII reader, remove the negative cable for 5-10 minutes (15 to be safe).  The computer resets and clears the codes, except for one that it sets saying loss of power to the memory.

Posted on Jan 24, 2009


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