Question about Hyundai Elantra

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Catalist threshold out of limits, Ck engine light on. Hyundai Elantra 1999, 90.000 Miles

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The catalytic convertor has probably been dead for 30 Kmiles already; they don't need to last more than 50 Kmiles to make the EPA happy.

The convertor being dead isn't going to have much influence on anything you care about (unless you're a Green party member) but a replacement unit will be <$100 for a generic one, the labor is likely to run higher than that since the 'universal' type usually requires some modification on your system or the convertor to install it.
OEM types can cost a great deal more.

Posted on Jul 15, 2008

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I have a 2012 Hyundai Elantra. It's shifting hard


try gear oil level / selectors / thrust bearing / presure plate

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Cannot get the 2001 Hyundai Elantra to pass the emissions test as the light stays on. When we shut it off, it will come back on after a few miles.


You need to have your check engine light checked to see what the code errors are and repair the problem so that it will pass smog. The check engine light is on telling you that something is wrong with the vehicle.

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2007 Hyundai Elantra, 4 cycl., 40,000 miles. Car


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Jul 26, 2010 | 2007 Hyundai Elantra Limited Sedan

1 Answer

Lost oil suddenly while driving on highway.... what could have happened? 2004 Hyundai Elantra.... 53500 miles


Dont ask me, I m not there to look??? ck the oil filter . maybe jiffy lube didnt put it on right, or check the drain plug. ck oil sender switch. Fill it up and see where the leak is.

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Lighted symbol on dash appeared which says "check"


2001 elantra gets 300 miles per tank of gas regular unleaded
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Apr 13, 2010 | 2001 Hyundai Elantra

1 Answer

I have a 1997 hyundai elantra and i have three code problems what are they and what do i need to do to fix them. p0422, p0442,p0446


P0422 - Catalyst below threshold.

Catalytic converter is clogged or out of medium.

Replace it.


ACTUAL DIAGNOSTIC:

Fault Code Definition
Code P0422 indicates that the Bank 1 Main Catalytic Converter's emissions efficiency has fallen below the minimum allowable limit. This threshold is tracked by a Catalyst Monitoring Oxygen Sensor located on or near the outlet of the Catalytic Converter.

Symptoms

* Check Engine Light will illuminate
* In many cases, no abnormal symptoms may be noticed

Common Problems That Trigger the P0422 Code

* Defective Catalytic Converter
* Engine misfires have damaged the Catalytic Converter
* Internal engine damage resulting in high oil consumption and/or a leaking Head gasket has damaged the Catalytic Converter

Common Misdiagnoses

* Oxygen Sensors are replaced when the real problem is a damaged Catalyst
* Catalyst is replaced when the real problem is internal engine damage, which is producing elevated emissions levels
* Catalyst is replaced when a misfiring engine is the real problem



Thanks for using FixYa - a 4 THUMBS rating is appreciated for answering your FREE question.#$@!

Feb 20, 2010 | 1997 Hyundai Elantra

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Low air flow from 2007 floor vents


ck cabin filter to see if it is dirty and needs replaced

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1 Answer

Check engine light is on in my 2005 Elantra newly maintenanced


Check your engine oil and break oil weather it is in below low level or full, if it has in low level get an engine oil for your car module and pour it. otherwise go to authorized Hyundai service centre and check for it.

Aug 25, 2009 | 2005 Hyundai Elantra

1 Answer

Check Engine Light is On 2006 Hyundai Elantra 13,000 miles


An easy fix, if the check engine light is on find an Auto Advance, they can clear the code for you. Any auto parts store may be able to as well, Auto Zone is another one that may be able to help.

Nov 19, 2008 | 2001 Hyundai Elantra

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