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How difficult is it to replace a catalytic converter on a 2006 Hyundai Elantra, 4 cylinder.

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The cat converter is the first box on the exhaust system,treat it like any silencer.(DO NOT DROP IT)

Posted on Oct 15, 2010

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Posted on Jan 02, 2017

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Where is the 02 Oxygen Sensor before the cadalic converter on a 2006 Hyundai Santa Fe


Usually these are located on the exhaust manifold or just below the exhaust manifold and you should be able to see it in the engine bay. On V6 engines there will be one sensor on each of the 2 exhaust banks.
You will probably need to remove the engine cover to see the sensors on your exhaust.

If someone told you to replace these because you got a particular fault code I would be wary. A decent scan tool and basic diagnostics can show if the 02 sensor is working or not. Some faults often blamed on an 02 sensor are not due to faulty sensors.

Jan 09, 2016 | 2006 Hyundai Santa Fe

1 Answer

Catalytic converter costs


I would wait on the cat. Have the heads and sensors done and see if the cat burns the coolant off.

Aug 07, 2013 | Hyundai Elantra Cars & Trucks

1 Answer

How do you change the transmission fluid in a 2006 Hyundai Elantra? What kind of transmission fluid and how many quarts?


A Service Department as a Hyundai Service Department typically uses a "Fluid Exchange" machine (approx. 7 quarts of Hyundai SPIII fluid) to do a flush. There is a drain plug at the bottom of the transmission (24 mm bolt) to drain it. However, this method is not entirely/completely effective. This drain plug only empties the pan, not the torque converter -- so you're only replacing about 3 to 4 quarts with this method (torque converter does not drain). So, once you've replaced the 3 to 4 quarts this way, there's still contaminated fluid in the torque converter which will circulate back into the rest of the transmission. RECOMMENDATION: Have a certified technician do a flush (fluid exchange).

Feb 10, 2011 | 2006 Hyundai Elantra

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Have a 2005 elantra running a p2195 code bought the o2 sensor but cant find where it goes from the looks of it and what i have been told this car has 4 o2 sensors the code says it is bank 1 sensor 1 where...


Bank 1 is the same side as the number one cylinder, bank two is the other side of the motor. Sensor 1 is always before the catalytic converter, sensor 2 is always after the catalytic converter. So bank 1 sensor 1 would be on the same side of the motor as the number one cylinder and before the catalytic converter.

Sep 24, 2010 | Hyundai Elantra Cars & Trucks

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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



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Feb 20, 2010 | 1997 Hyundai Elantra

2 Answers

P0139 code for a 2003 hyundai elantra. What is this code?


Hi the code P0139 is Bank 1 sensor 2 lambda sensor fault ,possible wiring or sensor fault even if you replace the sensor you need to have the MIL lamp turned off by a Diagnostic machine,it is possible you have another fault such as poor Catalytic converter efficency giving the same fault code ,Would recomend you get the car checked and read the "live" data as the car see`s it to make an accurate diagnosis and cure

Jul 10, 2009 | Hyundai Motor 2003 Elantra

1 Answer

Replacing 2004 Hyundia Elantra O2 Sensor


Had the same problem You need to go to dealer and order an O2 sensor with California emissions. The wire will be longer and fit into the prong

Apr 19, 2009 | 2004 Hyundai Elantra

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