Fuel contains hydrogen sulfide, a harmful compound that smells like rotten eggs. In the normal combustion process, the exhaust gases including hydrogen sulfide are sent to the catalytic converter in order for some of the more toxic chemicals to be converted to less harmful ones. So when something interferes with this conversion process, exhaust gases including hydrogen sulfide are expelled from the exhaust and sometimes even back up and go back into the engine bay, where they can get back into the cabin.
Problematic fuel pressure sensors give the vehicle bad instructions for how much fuel to inject into the combustion chamber. The car can actually inject too much fuel , which means that the unburned fuel goes into the exhaust and gums up the catalytic converter.
In addition to clogging the cat , the hydrogen sulfide in the fuel may escape and cause the rotten egg smell. The fuel filter keeps dirt and other particles which may be present in the fuel from entering the rest of the fuel system.
If it clogs or fails it can cause the same problems that faulty pressure sensors would. If you notice a fuel leak in or around your vehicle that accompanies a gasoline smell , you should get this addressed right away. Fuel leaks are a serious fire hazard. If transmission fluid is left for too long without getting changed, it can start to produce a smell like rotten eggs. Sometimes this happens if the fluid leaks and burns when it comes into contact with the hot engine components.
Now if the converter is too close to the vehicle floor and there is no heat shield in place then most likely your are smelling the undercoating or panel sealant burning off.
Only show this user. Also depending on the leak Oil pressure may have been below minimum. I shot a video. Sedatives or smoke it with. That sort of back pressure indicates cat converter is blocking the exhaust system. Inspection of all light duty and heavy-duty gasoline as well as all diesel vehicles is required by law. Its not uncommon for new exhaust parts to smoke a little once theyre first used. Direct Universal Fit.
It didnt seem too bad. These are built for your specific year make and model of vehicle for easy installation. Up to 20 cash back The Exhaust Fumes could be a combination of the Oil New Converter burning in Yes I am stating there could be engine damage from what you have posted about the Oil loss. It seems to be putting an abundance of water into the exhaust that I dont remember from before the repairs.
P is EGR valve and solenoid problems. After doing so and starting the engine Im getting a lot of smoke from under the heat shield for the catalytic converter. This was just the answer I needed if it keeps smoking for. There is nothing to burn or smell in a catalytic converter. There is some sort of liquid oil coolant pooling under it and white smoke are coming out as a result of the liquid burning. The car is fairly new G Fix the cat converters and then get a fault code reading.
Discussion Starter 1 Apr 18 If the forward sensors are disconnected or defective they can result in the engine running rich. For logistical reason I took it to Midas instead of doing it myself. In all of these cases a new catalytic converter will be needed and often times a Check Engine Light will accompany this.
However, this does not indicate how much longer after that you should expect your cat to last. Urki Piskun Explainer. What happens if I don't replace my catalytic converter? If the CC is damaged, it can impact vehicle performance; mainly cause reduced engine power and fuel efficiency; but in general won't damage the engine significantly. If you're car is due for emissions or registration however, it will most likely not pass. Cyrus Lajarraga Explainer.
Can you refurbish a catalytic converter? In order to properly filter hydrocarbons and reduce your car's emissions, catalytic converters use precious metals such as platinum or palladium. Luckily, very few people actually need to replace their catalytic converter over the life of their car.
Sherin Fridrich Pundit. Why does my car stink when I accelerate? The sulfur smell or 'rotten egg' odor is caused by high amounts of sulfur in the gasoline being used in the vehicle. When high sulfur fuel is burned, there is a chemical reaction in the catalytic converter causing the sulfur to oxidize.
Marlise Thistlethwaite Pundit. Why do I smell rotten? Unpleasant phantosmia, cacosmia, is more common and is often described as smelling something that is burned, foul, spoiled, or rotten. Olfactory hallucinations can be caused by common medical conditions such as nasal infections, nasal polyps, or dental problems. Eamon Weixlbaumer Pundit. How long can I drive with a bad catalytic converter? It Can Be Driven Indefinitely. Akbar Wittgen Pundit. Do catalytic converter cleaners work?
Catalytic converter cleaner removes the carbon build up in your engine and exhaust system. So, the answer is, yes, catalytic converter cleaner works every time you use it to break down carbon deposits.
Using it regularly will help clear out those stubborn deposits and prevent new carbon build up from forming. Domingo Bouhs Pundit. How do you check a catalytic converter? Answer: A quick test is to loosen the exhaust pipe, between the manifold and catalytic converter , to allow the engine to breathe. If you feel the engine regains its power, it's possible the cat is clogged. Also, you can use a vacuum gauge; at idle, you get a reading between in-Hg inches of mercury. Crispina Kiedrowski Teacher.
Why does my catalytic converter smell like rotten eggs? The smell of rotten eggs is due to a compound called hydrogen sulfide.
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