Question about 2000 Hyundai Sonata

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I'm getting a rotten egg smell when driving. I was told it is the catalytic converter. Is this true and can I replace it myself?

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Posted on Jan 02, 2017

maklean
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SOURCE: Catalytic converter

As we can see in figure below it sit vertically up in the front of the car.
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Posted on Jun 06, 2008

  • 3 Answers

SOURCE: loss of power/bad smell

One of the things that it could be is that the catalytic converter has rotted away internally. The rust and particle will then clog your muffler causing loss of power. I ran into this at about 140,000 miles on mine. That could be the source of your problem

Posted on Apr 28, 2009

  • 1 Answer

SOURCE: 2003 hyundai tiburon, while driving normally,

If your car has a manual transmission, it is probably the clutch getting ready to burn our

Posted on Nov 15, 2010

alicantecoli
  • 22095 Answers

SOURCE: Catalytic Converter 2002 Sonata Replace catalytic

if vehicle has less than 200,000 kms then i think cat is ok ,check the O2 sensors with a automotive meter rather than reading the obdii ,which i cannot do anyway in europe but at least you will know if they work or not their are two O2 sensors on each cat one before the and one after ,unless this is a high mileage vehicle i dont think the cats will be gone

Posted on Apr 11, 2011

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My 1995 cadillac eldorado was losing power like the car was running out of gas and now smell exhaust


When you say smell like exhaust, does it smell like rotten eggs (sulfur)? If so, could be catalytic converter clogged up.

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Whats the problem smells like rotten eggs,no power, car chugs and bogs down ?


Sounds to me like the catalytic converter is shot. The "rotten egg" smell and stalling out is a dead giveaway. The converter is plugged up and cannot let the exhaust out of the tail pipe like it should. The exhaust is building up back pressure in the exhaust system, causing the engine to lose power and stall. Take it to a qualified shop and have the catalytic converter replaced.

Jun 19, 2014 | 2000 Ford Contour

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Hesitating


check O2 Sensors, add a product called Ametech restore at next oil change, this does wonders for your vehicle, improved my BHP & MPG threefold , also as you say it smells bad (Like rotten eggs?) this will be the catalytic converter, either replace or add a product called cataclean to the fuel & take it for a run, It literally cleans all the **** fro the catalytic converter removing that rotten egg smell

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Car runs ok, but gets hot and rotten egg smell comes out of the exhaust


If car runs okay with egg smell, its normal and working the way it should, if car is running poorly and the rotten egg smell has gotten worse, its a sign that your exhaust catalytic converter will need to be replaced. good luck!

Aug 12, 2011 | 2001 Oldsmobile Alero

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My 2002 Pontiac GP V6 smells like rotten eggs from the exhaust


The rotten egg smell if it is coming from the exhaust is a very good sign that you catalytic converter has failed or is failing. but a bad or battery that is being overcharged can also make a rotten egg like smell.

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Why does my 2002 nissan altioma give me a burnt egg smell when i accelerate on the highway?


usually ,when using the egg discription it referred to as a rotten egg smell ,not burnt.. if this is the case you may have a catalytic converter that is in need of replacement..

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Rotten egg smell in cab but not all the time


1 Inspect OXYGEN Sensor Damaged or Faulty OXYGEN Sensor or Circuit. 2 Inspect Timing Specification Incorrect Ignition Timing. 3 Inspect Catalytic Converter Clogged or Faulty Catalytic Converter. 4 Inspect PCV Valve Plugged or Damaged PCV Valve. 5 Inspect Carburetor Dirty and Improperly Functioning Carburetor. 6 Inspect Hose (PCV)at Clogged or Collapsed PVC Hoses.

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Rotten eggs is usually a good sign your catylic converter has gone bad or is severely clogged. It will smell bad at first and then you will loose power over time.

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