why is my engine so loud?
439033
If there is a leak in the exhaust manifold it can cause the engine to run louder, sputter and run unevenly. In most cases it will also trigger the Check Engine light. A cracked or leaking exhaust manifold can create bigger problems due to the hot gases that are escaping. They will often melt nearby plastic components.
520342
The clutch has a very high biting point so you may find that you rev it highly like a learner the first few drives! The featherlight throttle does not help with this situation either. Just the mere curl of the toe and the 1.0 litre engine roars in a rather unrefined manner.
694519
An engine runs especially rich when accelerating, when cold, or when under a load. If there is too much fuel and not enough air, the engine is said to be “running rich”, or “has a rich mixture”. It will have a gassy or rotten egg smell from the exhaust, give off a burning effect to the eyes and will make black smoke.
496504
An acceleration problem is usually the result of insufficient fuel, air, or spark during the combustion process. ... A deficient spark plug causes the engine to misfire, making your car jerk when you accelerate. The engine may also be much noisier than it normally is, sounding more like an aeroplane taking off than a car.
1039248
The fan can also get louder if the ball bearings are giving out. That usually causes not just an increase in loudness, but a rather distinct sound that goes beyond just the fan being loud. Also, you can lower the speed of the fan by using software such as Nvidia Inspector. Many manufacturers also supply tools for this.
503740
If the motor inside the compressor goes bad, it can cause a loud screeching noise. A faulty fan motor. Your outdoor unit has a fan that helps expel heat from refrigerant. An issue with this fan motor can create a loud screeching sound while the AC is running.
715135
The large space in the back can result in resonances. Usually an SUV or ute will be noisier than a car. This is often due to a larger engine and more wind resistance from the large, squarer body.
989374
The muffler is a part of the exhaust which deadens the sound from the engine. You need one if you don't want your neighbours to kill you because without it, your car will be very loud. Even a small crack in the muffler can make your car noticeably louder.
1137748
UTVs are loud because of the combination of high performance and keeping weight and costs down. Most UTVs does not have the insulating materials silencers as a car have. The non-insulated cab tends to act as an echo-chamber, that's amplifying the sound rather than eliminating it.
1363425
Most likely you have a clogged (or failing) idle air control valve. Take it out, clean it, put it back… should solve the problem. There's a disconnect between the amount of air the computer thinks your engine is getting and the amount it's really getting, so it keeps trying to correct itself and almost dies/comes back.
193690
The problem may be with the thermostat. Turn the heating off, adjust the thermostat down and wait for the system to cool. When the system has cooled down, turn the system back on again and turn the thermostat up to the maximum. ... Gurgling sounds coming from your heating system could be caused by trapped air.
1298896
The muffler is part of your vehicle's exhaust system. ... If the cause of a loud muffler is not a defect, it is just loud, it may not be as dangerous to drive, but you may get pulled over because of the noise. Signs of a broken muffler include a clunking sound while the vehicle is running.
714069
Abstract: Exhaust system components such as mufflers and exhaust aftertreatment devices are a source of engine exhaust back pressure. Increased back pressure levels can cause increased emissions, increased fuel consumption, and can negatively affect engine performance.
875293
Mufflers are required on all vehicles and must prevent unusual or excessive noise. Headers and side exhausts are permitted if the remainder of the exhaust system limits the noise emitted by the engine and they do not increase the sound beyond the maximum decibel levels described below.
1296584
Yes, high flow cats are less restrictive than stock and will allow more sound to pass through your exhaust system. I don't know how much louder it is with stock manifolds though.
1338756
Either way, you're gonna have problems with noise as the car is going to be way too loud. If the problem goes all the way back to the O2 sensors and catalytic converters, you can damage the engine and end up on the side of the road. The O2 sensors keep the right mix of fuel and air for the engine to run efficiently.
659543
If the fluid is full of bubbles or is foamy, the transmission is probably overfilled with ATF. Other causes include using the wrong type of ATF or a plugged transmission vent.