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catalytic converters

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Symptoms of a Bad or Failing Catalytic Converter
Common signs include reduced engine performance, rattling sounds, and the Check Engine Light turning on.
How Long Does a Catalytic Converter Last?
The catalytic converter converts pollutants in the exhaust system into less toxic pollutants by using a redox reduction method. The catalytic converter is located on the exhaust system of your vehicle, and...
How Exhaust Systems Work
It all starts in the engine In order to understand how the exhaust of a vehicle works, there must be a basic understanding of the engine as a whole. The internal combustion engine in...
How to Install a Catalytic Converter
A catalytic converter is one of the most important emissions components of the modern gasoline engine. It is part of the vehicle’s exhaust system, and is responsible for keeping...
What Does the Catalytic Converter Warning Light Mean?
The catalytic converter warning light means the catalytic converter in your engine may not be working properly, possibly due to overheating.
What Does a Catalytic Converter Do?
The modern automotive exhaust system is much more advanced than what was available even just a couple of decades ago. After recognizing that the average automobile was one of the primary sources of global...

Related questions

Question
Catalytic converter rust repair? 2003 Ford Escort
Hello - the short answer is that repairing the case of a catalytic converter is not a good idea. With your mileage, the catalyst is likely at a very low efficiency point in its life. Also, the evidence of rust...
Question
My engine light is on and auto zone code says O2 sensor or catalytic converter.
If you have codes to the O2 sensors does not always mean you have bad catalytic converters. You describe different problems that can be the converters and even a transmission shift problems. I would recommend having a mechanic like one...
Question
Catalytic converter
The short answer is yes. I'll assume that the catalyst was taken off because it was damaged. They are expensive parts and many owners choose to replace catalysts with pipes or mufflers, but there are two reasons why that is...
Question
Car revs at stop sign, no check engine light
This may be a result of a faulty oxygen sensor reading as a result of your exhaust system (presumably your catalytic converter) not operating effectively. As you may know the oxygen sensors which are part of your emissions system read...
Question
If the Cadillac converter is bad will it cause the transmission to act up
Hello. A failed catalytic converter will cause symptoms within the engine that can then effect the transmission. Unfortunately the symptoms it causes tend to be related to shifting issues. As far as the jolt you felt, it would only cause...
Question
The catalytic converters went out on my car.
Hi there. I suggest getting the RV6 Perfomace catalytic converters for your vehicle. Both sets are for your vehicle, however, the RV6 design has a larger pipe and will not restrict the engine during hard acceleration. Also, when replacing the...
Question
What is the best way to replace the catalytic converter?
The y pipe for the catalytic converters connects to the exhaust manifolds near the rear of the engine. There's a transmission crossmember that needs to come out and a couple of brackets, but swivel sockets help out a lot in...
Question
Sulfur smell coming from exhaust
A rotten egg smell coming from the exhaust is almost exclusively a result of a failing catalytic converter. It is caused by the catalytic converters inability to break down the sulfur created by the engine during normal operation. A failing...
Question
Car struggles to accelerate
This may be a sign of a clogged catalytic converter. As you may already know, the catalytic converter converts toxic exhaust gases into less harmful pollutants that are suitable to be expelled into the atmosphere. When this is clogged, this...
Question
Was going up a hill and the car started to hesitate to get acceleration and the muffler is shaking now when idle
This may be related to many different things that can cause the engine to struggle. One possibility may be a sign of a clogged catalytic converter. As you may already know, the catalytic converter converts toxic exhaust gases into less...
Question
replacement of catalytic converter
I wouldn't assume that the rear converter is bad unless the mechanic actually performed a diagnostic on the converter AND then explained to you what was done, what was found and WHY the solution is to replace the converter. If...
Question
My engine sensor code said my catalytic convertor went out. Do I have replace all three or only one?
Hi there. There is only 1 catalytic converter that requires the O2 sensor to work with it. The other two are a catalytic converter to help with emissions and a resonating chamber to quieten the exhaust before the muffler. The...
Question
Issue with my car stalling - 2003 Chevrolet Malibu
Hello, thanks for writing in. Replacing the battery reset the diagnostic code retention, so if a problem code for catalytic converter failure is present, that is a persistent problem, and requires attention. The sluggish performance you mentions, and your advanced...
Question
The Check Engine Light came on, I hooked it up to my scanner and got the code P0308
Hello. A cylinder misfire can be caused by many things. If you are not able to notice any issues with engine performance then the misfire is likely minor or intermittent. A few common causes for a misfire are a faulty...
Question
p0420
A vehicle with 182,000 miles is likely due for a catalytic converter. Most of the time it does mean you need a new catalytic converter. But there are a couple of other things that are prudent to take a look...
Question
My car won't start. I looked under the car and the catalytic converter was smoking.
Hello. The first task is to determine what problem codes there are since the Check Engine Light is on. Quite possibly, something has caused a "way too rich" fuel mixture, making the engine choke down and clogging the catalytic converter....
Question
I change the radiator but i have fault in my car p2568 how can i fix it
Hello. The code you have received is telling you that the downstream oxygen sensor has detected a temperature that is out of range. When the PCM (aka the main computer) detects this error it will set the warning light. This...
Question
My car starts then stallsafter a few seconds and won't start again
Hello. The steps you have taken at this point are all appropriate, and help to eliminate a lot of the electrical components that can cause stalling. You may be looking at a mechanical issue instead of an electrical one. You...
Question
Bad catalytic converter
Hello. Typically using chemicals to solve a catalytic converter issue will only prolong the issues from getting worse. These products are not necessarily intended to be used as a fix, but as an additive to an engine that is working...
Question
Check Engine Light on, catalytic converter and O2 sensors need changing - $3000
Hi there: If you're Check Engine Light is coming on and somebody diagnosed this as a problem with your O2 sensors or the catalytic converter emissions system, it's highly possible that the trouble part are the front or back bank...

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