Question about Kia Sedona
I have a 2004 Kia sedona that I bought used last month. The check engine light came on a couple days later. I took the van to Autozone to have the codes read & it came back with PO431. I took it back to the dealer & they replaced the o2 sensor & reset the codes. The light came on again a couple days later. They have since replaced the o2 sensor again but the light came on again within five minutes of leaving dealership. I called & was told it's a southern car & I live in the North, the fuel mixtures are different & the memory was reset as well as the code memory. I was told to drive it as is & it should reset itself. It's been two weeks now & the light is still on. What is my next step?
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Posted on Jan 02, 2017
How many miles on the plugs and wires? Misfire can be caused by either plugs or wires, after that check the injector for that cylinder. Let me know what u find. Curt
Posted on Mar 11, 2009
SOURCE: 2002 kia sedona code po431
There are 2 catalytic converters on Sedonas, it sounds like the rear one is failing. These can be replaced with generic universal ones that can be found on ebay, don't let the dealership tell you otherwise. Any number of shops would install it for you if you brought it in to them, if you don't want to install it yourself.
Despite the fact that it may be running fine right now, It sould be replaced, however. A faulty catalytic converter will result in the vehicle's computer adjusting fuel/air mixtures, timing, etc. etc. in an effort to rectify what is percieves to be an inefficient engine operation.
Posted on Aug 08, 2009
P0442 EVAP Leak Monitor .040 Leak Detected (Medium Leak)
P0456 EVAP Leak Monitor .020 Leak Detected
replace your gas cap and clear codes, then wait and see if light comes back on, if it does you have a more serious problem like a fuel tank leak or a defective fuel tank pressure sensor.
Posted on Sep 17, 2009
there can still can be a problem some auto parts store can test the car with a computer for free and the you what it is. it can be a loose gas cap or a sensor. e.t.c
Posted on Feb 21, 2010
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