Question about 2000 Hyundai Accent

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Catalytic converter My check engine light is on, and the codes have been run a couple of times, and I need a new catalytic converter. My question is, where is the catalytic converter for a 2000 Accent? Is it half-way down the car before you get to the muffler (picture A) or does it sit vertically up in the front of the car with four inputs to it (picture B)? I'm thinking about buying one and doing it myself, but I don't want to replace the wrong thing.

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  • danielpigott Jun 06, 2008

    Very helpful. Thanks.

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As we can see in figure below it sit vertically up in the front of the car.
Catalytic converter - 9a5d87d.gif

Posted on Jun 06, 2008

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2002 Buick lesabre check engine light flashing and runs rough help


You have a misfire ,spark plug ,coil etc. .. the flashing check engine light is to warn you that the misfire is severe enough to damage the catalytic converter ! You need to take it to a repair right away ! A new catalytic converter can cost as much as $1,000 . The shop will check the code's in the PCM . this will tell them what cylinder is misfiring !

Apr 22, 2015 | 2002 Buick LeSabre

1 Answer

Po4022


That code deals with the catalytic converter. You might need to replace it or to fix another problem. Let me ask you, is it using a lot of oil? Or, is there oil in your antifreeze or a foamy look to your oil? If so, you may have internal engine damage that is causing the increased emmissions and is, in turn, causing the check engine light. If not, you may need a new catalytic converter.

Also, is this the only code, or is there another code that indicates engine misfires? If so, it is possible that these damaged the catalytic converter and will need to be fixed along with the cat.

Nov 15, 2011 | Cars & Trucks

1 Answer

Camshaft sensor and catalytic converter


Sometimes one problem causes many more. The camshaft sensor should be easy to access. Go to a good parts store and have a look at the diagram for part location. You may not need a Catalytic converter yet.

If the camshaft sensor went crazy you will not fire on all cylinders. Therefore the exhaust mixture will be rich and can damage the Catalytic converter. But when the repairs are made to the Camshaft sensor, give it some time to run correctly and see if the Catalytic converter clears up.

As with any repair, disconnect the NEG battery cable for 10 minutes to clear the old codes. Then use the car and let the car go for 300 miles or so to purge the Catalytic converter of excess fumes. Then if you need a newer Catalytic converter its almost like installing a muffler. You may need a special socket to change out O2 sensors from old to new.

Costs vary, Sensors are $20 to $50. Catalytics can be expensive, but Salvage yards have them used.

Jul 30, 2010 | 1997 Ford Taurus

2 Answers

Serveral weeks ago my service engine light came on so I took my Endeavor to the dealer and they said it was randomly misfiring so I should replace the spark plugs. Since I was at 97,000 miles that seemed...


This code indicates that the catalytic converter is not working well enough. The dealer installed the plugs in hope that maybe the engine would run cleaner and not load the cat so much with new plugs installed. Bottom line, you need a new catalytic converter, but be sitting down when they give you the price. I would see if I could get warranty on this as it is mandatory in some areas.

May 11, 2010 | 2004 Mitsubishi Endeavor

1 Answer

The only fault code on 2001 kia sephia is P0422, catylist threshold low.... car ran for 2 weeks fine after new fuel pump, and then just died like first time.... 126 thousnd miles and plenty of fuel, fuel...


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.$%@#

Jan 24, 2010 | 2001 Kia Sephia

1 Answer

Catalytic converter is bad on 1995 Subaru Legacy L Wagon


dearship parts are high.you can buy a factory catalytic converter or universal converter cheaper at auto parts place.they basic the same parts the.dealership has same catalytic converter.they put their price and labor rate charge an hour your pocket book will be empty.i have used universal catalytic converter.had no problem with it.the only difference is universal converter body a little shorter.but has same lengh as factory.if check engine is coming on you cant turn it off .if computer showing you a code.you could have a misfire causing rich exhaust emission.that can ruin a catalytic converter have it scan.dealership charge you about $130.00 .you can have it scan at advance auto or auto zone.to see what pcm code is.it could be oxygen sensor somethinh minor.

Jul 12, 2009 | 1995 Subaru Legacy

1 Answer

Check engine light due to Catalytic converter


Without knowing the specific code, I will assume it relates to an inefficient catalytic converter. At this mileage it could very well mean that the catalytic converter is failing to do it's job and needs to be replaced. The computer sets this code when it sees a signal from the rear O2 sensor start to change in time with the front O2 sensor. It should not. If the cat is working, The rear O2 sensor should have a stable output as the cat is supposed to be removing all the oxygen from the exhaust. Sometimes this code will set if the spark plugs or the engine's state of tune has deteriorated and is producing more emission than the cat can handle, the rear O2 sees the overflow and assumes the cat is bad.
At your present mileage, I would strongly suggest changing the spark plugs if they have not been done in the last 20,000 mi. Have the light reset and drive it to see if the code returns. If it does, replace the catalytic converter. I suspect that you do need a cat, but I view the spark plugs as maintenance, and I wouldn't want to put a brand new cat in without the assurance that my old plugs were not going to damage the new one.
Hope this helps,
Dave

May 18, 2009 | 1996 Isuzu Trooper

1 Answer

Engine light keeps coming on, had catalytic converter replaced 2x


a bad or disconnected oxygen sensor will make the engine run rich.
How about a clogged air filter? 

Mar 27, 2009 | 2001 Honda Odyssey

1 Answer

Engine code p0421


Catalyst System Efficiency Below Threshold (Bank 1)

The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate. The downstream O2 sensor reading should be fairly steady. Typically the P0420 code triggers the Check Engine Light if the readings of the two sensors are similar. This is indicative of (among other things) a converter that is not working as efficiently as it should be (according to specs). It is part of the vehicle emissions system.

A code P0420 may mean that one or more of the following has happened:

* Leaded fuel was used where unleaded was called for
* An oxygen sensor is not reading (functioning) properly
* The engine coolant temperature sensor is not working properly
* Damaged or leaking exhaust manifold
/ catalytic converter / exhaust pipe
* Retarded spark timing
* The oxygen sensors in front and behind the converter are reporting too similar of readings


To Do list

* Check for exhaust leaks at the manifold, pipes, catalytic converter. Repair as required.
* Use a scope to diagnose the oxygen sensor operation (Tip: The oxygen sensor in front of the catalytic converter normally has a fluctuating waveform. The waveform of the sensor behind the converter should be more steady).
* Inspect the downstream heated oxygen sensor (HO2), replace if necessary
* Replace the catalytic converter

Jan 04, 2009 | 2001 Hyundai Sonata

1 Answer

My son has a 2002 GS, and from time to time the check engine light comes on and the last time they fixed one of the catalytic converter sensors and all was well. Tonight the engine starting bumping like...


Sounds like there might be something inside of your exhaust creating pressure making your pipes hot. You might need a new Catalytic Converter. Dont wait too long to check this out, because if you do need a new Catalytic converter, your exhaust Manifold MAY Melt to your Head because of the heat.

Nov 30, 2008 | Mitsubishi Eclipse Cars & Trucks

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