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Aug 01, 2009· Has catalytic converter installed recently. Now, my car makes a grinding noise and struggles to reach 40 mph. The Answered by a verified Mechanic for Honda
Nov 20, 2012· Thought that would fix it; nope. Sound seems slightly louder now. Took it back to the shop and was told (and shown) how my catalytic converter is practically falling apart (the Heat Shield makes this awful rattling noise when idleembarrassing) and was told that my was breaking from the inside and a piece was lodged in the engine. Okay cool?
Mar 23, 2015· First, you need to eliminate the simplest possible cause of that grinding noise. Based on the claims from several Honda Accord owners, a loose heat shield covering the catalytic converter will cause a rattling or grinding noise as you accelerate. The viable and easiest solution is tightening the heat shield, or replacing it if it is worn.
Sep 05, 2018· The catalytic converter has been used in the automobiles since the 1970s. Its job is to reduce the quantity of harmful gases that a vehicle emits into the environment. People''s choice of removing catalytic converter is based on the fact that it decreases the engine power. There are arguments both in favor and against it.
Feb 12, 2007· Can faulty catalytic converters cause massive muffler noise? ... not like a little howl or roar but instead like a high pitched almost grinding noise at certain parts of the RPMs. I had a friend this happened to and we had to get a second gasket to close off the gaps because of the improperly seated bolts/machining. ... A catalytic converter ...
If you''re not exactly mechanically inclined, the only surefire way to find out why your car is making a horrible noise is to take it to a mechanic for a diagnostic. But if you''re still curious, you can do a little doityourself investigation. A grinding noise is most frequently associated with problems with brakes, ...
Oct 24, 2002· I can''t verify the noise when the car is sitting in neutral. My engine/exhaust does seem to be a bit louder than it used to be. I''m going to be taking my car to a mechanic when I have time, but my main question is if this noise I hear when driving is related to the catalytic converter.
Apr 20, 2007· Should I be hearing a ticking sound from the catalytic converter when the car is running? My car makes a ticking noise, pretty loud and lasts a good 1520 min after I turn off my car. I was informed by a mechanic that its normal and the exhaust cooling down.
Feb 17, 2012· A clicking noise is not from the converter. the only other noise from the converter is a ticking noise from either raw fuel, coolant or oil being burned in it. But this is not a clicking noise. You need another shop to inspect it. clicking noise is usually electrical such as a fuel injector or a solenoid.
Replied by college man on topic Can Catalytic Converters Cause Startup Noise? If it is a heat shield you can put a clamp on it or remove it. usually a heat shield does not make a grinding noise.
2. Rattling Noise. Rattling noises from under the vehicle are another symptom of a bad or failing catalytic converter. If a catalytic converter becomes old or damaged internally from excessively rich fuel mixtures, the catalyst coated honeycomb meshes on the inside of the converter can collapse or break apart, causing a rattle.
Honda catalytic converter problems are often difficult to diagnose and can affect a car in many ways. Since it is an expensive piece of equipment, it must be handled with care. The best way to understand the nature of Honda catalytic converter issues and the right corrective steps to be taken is to obtain answers and insights from Experts.
Sep 12, 2012· Rattling noise from catalytic converter? I have a 98 Honda Accord EX 4door/4cyl. It has about 232,963 miles and still runs great. It doesn''t burn oil and gas mileage still the same when it was new. I started to hear rattling noise during start up and idling coming from the catalytic converter though there is NO malfunction indicator light.
Nov 15, 2010· The catalytic converter on your 2003 Nissan Masima could have passed the inspection and functioned emissions wise well enough to keep the check engine light off but still exhibit a rattle or ticking noise.
Aug 01, 2009· Has catalytic converter installed recently. Now, my car makes a grinding noise and struggles to reach 40 mph. The Answered by a verified Mechanic for Honda. We use cookies to give you the best possible experience on our website.
Feb 05, 2016· Something is loose. If you''re lucky it''s just a very common loose heat shield around the exhaust system or catalytic converter. It could also be a broken or loos thing inside a muffler or catalytic converter. The way to find out is to jack ...
Jul 22, 2019· How To Gut Catalytic Converter – Know Here. To gut the catalytic converter, you would first need to separate the converter from the car''s muffler. If the engine gives out a less ratty and smoother sound, the converter is plugged. You can look online to know the best maintenance tips for keeping your vehicle running smoothly. If you want to ...
Apr 26, 2019· Catalytic converters (not cadillac converters as some like to say) help remove toxic carbon dioxide gasses that a car produces from entering the outside air that we it''s likely you will never need to repair or replace yours, sometimes they fail. So what are the symptoms of a bad catalytic converter?
Your catalytic converter is an essential part of your car it neutralizes hazardous compounds in your exhaust such as carbon monoxide. And by doing so, they increase gas mileage and performance. Here are 4 signs of a failing catalytic converter.
Jun 27, 2015· I kept hearing a rattling noise and it got worse. It turned out to be the catalytic converter had weakened inside and had broken up into little pieces. Not long after ...
Jul 04, 2016· The check engine light was glowing on my Honda civic. I had it checked out at the Honda dealership and they told me I had a bad catalytic converter. I had a new one installed yesterday, but since then my car has been making a noise every time i accelerate. They told me that this would happen for a few days and then the noise would go away.
Apr 11, 2016· When the vehicle was at higher speeds, the noise would diminish but would become louder when slowing down. One of our technicians inspected the vehicle and discovered that the insides of the catalytic converter were broken and bouncing around inside causing the rattling sound. We recommended changing the catalytic converter on the Sienna.
May 06, 2015· Since the outer can of the converter is made up of metal, you can only imagine what this can potentially sound like. Because of the exhaust pulses of the engine, it can almost sound like grinding or continuous rattling. The easiest way to check it is to shut the engine off and tap on the catalytic converters with a rubber mallet.
I hear a metallic grinding sort of noise when going up or when passing and accelerating...usually around 4000 rpm. ... Grinding..hill or when passing and accelerating..park ... to be replaced especially if this car is subject to annual emission testing but this is likely not the cause of your noise, if the catalytic converter is coming loose ...
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