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catalytic converters

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How to Clean Your Catalytic Converter
Before looking into a catalytic converter cleaner, check it for clogging, internal part damage, and poor fuel economy.
How to Prevent Catalytic Converter Theft
Catalytic converters are easily accessible to thieves looking to make a profit from the precious metals inside.
3 Reasons Your Car Smells like Rotten Eggs
A sulfuric or rotten eggs smell indicates an excess of byproducts left over from failed combustion. Removing the smell requires part replacement.
P0420 OBD-II Trouble Code: Catalyst System Efficiency Below Threshold (Bank 1)
P0420 code means that either the upstream or downstream oxygen sensor in the catalytic converter is not working. Replacing these parts can fix P0420.
Symptoms of a Bad or Failing Catalytic Converter
Common signs include reduced engine performance, rattling sounds, and the Check Engine Light turning on.
Symptoms of a Bad or Failing Catalytic Converter
Common signs include reduced engine performance, rattling sounds, and the Check Engine Light turning on.
P2209 OBD-II Trouble Code: NOx Sensor Heater Sense Circ Range/Perf Bank 1
P2209 P2209 trouble code definition The P2209 OBD-II trouble code registers when the Powertrain Control Module (PCM) detects an abnormal reading in the NOx (nitric oxide and nitrogen dioxide) sensor for the Bank 1 side of the engine. What the...
P2217 OBD-II Trouble Code: NOx sensor Circ Interm Input Bank2
P2217 P2217 code definition The P2217 code has found that the nitric oxide and nitrogen dioxide sensor circuit voltage is not within the manufacturers specification for input Bank2. What the P2217 code means When the proper level is not detected,...
How to Install a Catalytic Converter
A catalytic converter is one of the most important emissions components of the modern gasoline engine. It is...
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...
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 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 pollution, the US government enacted...
What Does a Catalytic Converter Do?
The 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 pollution, the US government enacted...
How Exhaust Systems Work
It 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 its simplest form is a...

Related questions

Question
Reduced Power light
Hello. It is possible that the catalytic converter is clogged causing a lack of power in the car. It is possible that cleaning out the catalytic converter will fix the problem, but most of the time the catalytic converter needs...
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
Need to pass smog check
Hi, thanks for writing in. This is likely an issue related to the catalytic converter which may be the converter itself or the O2 sensor which is a sensor that monitors the productivity of the converter as it converts toxic...
Question
How many catalytic converters on the car
This vehicle will have one or two catalytic converters since it only has one bank of exhaust. It is very unlikely that this vehicle even has two catalytic converters. It will, however, have two oxygen sensors for every one catalytic...
Question
Failed smog test
Hello. The catalytic converter acts as a filter for exhaust gasses emitted from the vehicle. This purpose of this is to reduce the pollutants that are expelled into the environment. The first thing you could try is adding a catalytic...
Question
Engine is sputtering
Hi, the Check Engine Light flashing commonly indicates a misfire in the engine. The most common cause of an engine misfire on this particular car would be the ignition coil. The ignition coil can generate an output voltage on the...
Question
Cylinder 2 misfire
You need to pull out the coil and check to see if there is oil in the spark plug hole, or on the plug wire boot. If there is, then replace the valve cover and spark plug boots after cleaning...
Question
Code p0421
Are there other codes set? This code, by itself, P0421 indicates that the engine management system detected the catalytic converter is performing below expected standards. This means the engine is sending contaminants (unburned fuel, oil fumes, etc.) down the exhaust,...
Question
Check Engine light; catalytic converter
When a catalytic converter begins to fail, the computer will give a reading of the code P0420 and/or code P0430 which pertains to catalyst efficiency. The catalytic converter is, in a way, like a metal filter that traps toxic gases...
Question
Check engine light on
The most common causes of Diagnostic trouble code P0430 setting are a faulty catalytic converter, engine misfire, fuel injector leakage, engine mechanical damage, faulty oxygen sensor outputs and exhaust leaks. Additionally, in your circumstance, malfunctions in the charge air cooler...
Question
Check Engine light for catalytic converter
If you are not experiencing drivability issues, the catalytic converters may be starting to become inefficient. Catalytic converters often times are ruined by raw fuel in your exhaust system. Misfires that go unresolved are usually the cause of this. A...
Question
Catalytic converter replacement.
This would depend on the code that is retrieved from the check engine light. It never hurts to get a second opinion. I would recommend having another technician, such as one from YourMechanic, come to scan your vehicle for trouble...
Question
Catalytic converter replacement
Hello. It's quite possible that there is no one at fault here. It may just be unfortunate timing. I'm assuming that you have had the codes read and that is why you have decided you need to replace the catalytic...
Question
Catalytic converter issue?
Hi There, It sounds like you may have a clogged catalytic converter. A clogged or failing catalytic converter can cause the vehicle to have poor fuel economy. As you may already know, the catalytic converter converts toxic exhaust gases into...
Question
Catalytic converter issue?
Hello! It sounds like you may have a clogged catalytic converter or potentially a faulty Oxygen sensor. The catalytic converter converts toxic exhaust gases into less harmful pollutants that are suitable to be expelled into the atmosphere. When this is...
Question
Catalytic converter bad.
Catalytic converters do have a federal required warranty that most people are unaware of, talk to your dealer to find out if you are still covered. Early catalytic converter failure can be cause by other factors including coolant contamination can...
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
Cat monitor will not run, even though i've done the 55 mph for 5 minutes or more numerous times....
There are two O2 sensors. One before and one after the catalyst. The one before is used for fuel control for fuel injections and the one placed after the catalyst is used to measure catalyst efficiency. A scanner will be...
Question
Cat monitor will not run, even though i've done the 55 mph for 5 minutes or more numerous times....
If the cat monitor will not finish and pass after multiple tries then you may have a weak sensor or a catalyst that is bad. I'd suggest having the vehicle scanned to test the O2 sensors for slow or limited...

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