Question about Dodge Stratus
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Posted on Jan 02, 2017
SOURCE: code po421 how to fix
you have the same engine as my 2003 Galant, this should help... http://www.alldatadiy.com/alldata/AFI~V11366605~C40797~R0~OD~N/0/89012112/98644464/98644470/110938985/34853741/34857029/34857030/34857663/122915129/135964338/135975025
Posted on Mar 01, 2009
SOURCE: 01 eclipse
P0 421= Catalytic Converter(s) Below normal flow
P0 455= Evap system leak .. Gas Cap or Carbon cannister or possibly evap lines
P0 123=Drive cycle Incomplete ( no Biggy )
P0506= Idle air control motor..
Doesnt sound like that big of a deal. at our shop.., we'd replace the converter(s) Check the gas Cap for the evap code.. And replace the Idle control motor. The code P0123 should be cleared By ODB2 at that point and should be good to go.. Lemmie know.. Thanks
Posted on Mar 11, 2009
The problem is most likely to be with your vacuum line they put cheap rubber hose for this purpose. You should find a diagram at the front of the vehicle trace the hoses by this diagram. You most likely will find a bad piece of hose.
Posted on Jul 20, 2009
test the ect sensor wiring for loose or damaged connections and the sensor itself if bad replace the 421 and 431 codes might be related to the 118 code but test the o2 sensors and circuit wiring for damage or loose connections and also test cat converter may be clogging
Posted on Mar 05, 2010
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