Catalytic converter for a 2005 hyundai elantra

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Show More. Each converter features durable stainless-steel construction and utilizes either a direct-fit or universal design compatible with GLS and GT trim levels equipped with the 2. Check out our how-to-guide to help you find the best Catalytic Converter for your vehicle and local emissions requirements. Find out how to choose the correct catalytic converter for your Hyundai Elantra to comply with your state emissions regulations.

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I had my mechanic friend check it out before I bought it and everything seemed fine. This week the check engine light came on. Any muffler shop can install it. At that rate, your mechanic would have spent about 2 hours diagnosing the problem. Did it take him 2 hours? I doubt it.

He probably checked the code, which took maybe 10 minutes. Which it probably does not. More likely it needs a new oxygen sensor, which is much less expensive than a new cat. Ask your mechanic how he knows the cat is bad. Did he test all the oxygen sensors to verify they were good? Or did he just read the code and assume the cat was bad? More likely it needs a new oxygen sensor s.

If he said he tested the sensors, ask him how. Thanks for the advice! I agree, the cat is probably not bad. Get the code read at Autozone or Advance and post the codes back. Check Mechanics Files on this site.

I have found it a great reference. If the cat is working, the O2 sensor readings will behave in a certain way. The trailing sensor will track the leading sensor in an expected pattern. When the computer finds these sensor readings are not following the expected pattern it will flag the problem as the cat and turn on the CEL. I doubt many shops do this tough. I expect if you were a long time customer the charge would have been lower.

If it is a non-OEM aftermarket cat, that seems a tad high. But not entirely out of line, depending on how difficult the access to the cat is. Those need to be corrected if you do, as they will eventually ruin the new cat.