Question about 2004 Hyundai Santa Fe

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Check Engine light came on on my 2004 Hyundai Santa Fe

About a lil over a week ago my check engine light came on. I took it to get checked at a Auto Zone and the code was #P0431. I thinks its my gas cap but the Check engine light is still on even after a lil over a week now????? Worried

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WHEN IN DOUBT TAKE IT TO A DEALERSHIP

Posted on Nov 21, 2014

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  • Hyundai Master
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Trouble Code: P0431

Warm up Catalyst Efficiency Below Normal (Bank 2)

Possible Causes:


Air leaks at the exhaust manifold or in the exhaust pipes.Catalytic converter is contaminated, damaged or has failed.Front HO2S is older (aged) than the rear HO2S (HO2S is lazy).Front HO2S or rear HO2S is contaminated with fuel or moisture.

Posted on Nov 27, 2012

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Posted on Jan 02, 2017

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1 Answer

My 2004 Santa Fe had he check engine light come on several times in the past week. It started to run rough, like it was going to stall, then the check engine light came on. I took it to a mechanic. ...


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it is probably going into a fail safe mode, get it to a dealer and have it scanned for dtc's

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Have the codes read to find out the fault code that triggers the light. Go to a mechanic, or your local auto parts superstore and have them check it. Hope this helps.

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My check engine light came on today....I took my 2004 Santa Fe to Auto Zone where they ran a test on it....the code came back PO449??? Any ideas what this means....HELP....I'm leaving in 2 days for a trip...


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''check engine light'' illuminated, 1004 Hyundai, Santa Fe


If you live in the US, take it to qany Auto Zone store and thy will read the codes off for you, I would suspect any right thinking competitor would do the same, check if you don't have one near by.

Hope this is of some help.
Ed

Apr 21, 2009 | 2004 Hyundai Santa Fe

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2004 Hyundai Santa Fe check engine light


I have a book for the Sante Fe, and that code is not in it. I would go back to them and have them re-run it. The person may have just misread the screen.

Aug 08, 2008 | 2004 Hyundai Santa Fe

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