Question about 2004 Hyundai Santa Fe
My '04 Santa Fe wasn't driven for almost 2 weeks, kept outdoors in the cold and wet Seattle winter weather. It was running ok when we parked it. I drove it yesterday, however, and the check engine light popped on, steady, not flashing, but intermittent at first, and it ran rough, and occasionally knocked a little. Auto Zone was further away than I cared to drive, so I haven't had a diagnostic check yet. Thoughts?
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Posted on Jan 02, 2017
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.
Posted on Apr 21, 2009
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.
Warm up Catalyst Efficiency Below Normal (Bank 2)
Posted on Nov 27, 2012
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