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What would cause a weird noise from the muffler when you step on the gas?

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Wiki User
2004-08-04 10:33:14
2004-08-04 10:33:14

Hey Al==Check the tail pipe and see if it is mashed closed. Good luck Joe

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A hole in the muffler would cause a knocking sound in your muffler. A loose exhaust pipe can also cause a knocking noise.

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Damage. Hole. Perished gasket. Incorrectly fitted. Corrosion.

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No. It will cause a problem with both back pressure and noise.

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Yes, because without one, the noise of the engine or motor would be too loud, and the muffler serves a purpose of applying back pressure for compression.

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What would cause a grinding noise after a tire is replaced and the brakes are not worn?

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That's very likely, yes. Get it checked - a "flapping" exhauast system won't last long, but if you tend to it immediately, it may be an easy, permanent fix.

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Unlikely. A more probable cause would be that there's something wrong with the exhaust/muffler. A bad hub would have other symptoms, like poor steering, pulling when braking/acccelerating, vibration etc before you'd begin noticing the noise.

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Because of condensation the inside of your muffler, the muffler will begin to deteriorate (rust) over time from the inside. This can and will cause holes in the muffler. Along with the hole (s) the internal structure of the muffler will eventually break apart and plug the muffler, preventing the exhaust gas and the pressure from the engine from exiting the vehicle. This will cause what is called "back pressure" on the engine, causing it to lose power. Extreme example would be "you push the gas pedal to the floor but the car will not go more the 25 miles per hour". I would recommend you have you muffler replace. That should solve your problem.

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A whistling noise indicates a vacuum leak.

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Not likely. But you know you have a hole in your muffler so unless you want to have an accident from carbon monoxide poisoning you should have it replaced ASAP. Then reset the light and if it does not come back on, you know that was the cause.

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A buildup of raw fuel in the exhaust system is then ignited and damages the exhaust muffler or blows a pipe apart.

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what would cause a knockings noise in my boat 3560- 2004 transmission when in idle goes away when you give it gas

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THATS usally cause by the engine using oil-because of bad oil rings etc.

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if is the 2.3l, only when started the car,its the supercharged seal to will be replaced. Just'n Style

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Check the level of the power steering fluid. A low level or no level of fluid will cause the groaning noise.

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maybe cause it would be weird if they were purple lol ;)

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You can drive a car without a muffler, but you should not. It is illegal. Driving without a muffler allows many pollutants into the air. Technically yes, a car can be driven without a muffler but there are a few good reasons not to do so. The most important risk of not having a muffler is that there are laws regarding sound levels and a car without a muffler might be over government approved noise levels resulting in not being in compliance with the law and the end result being a fine. Another reason for not doing so is the impact it would have on your vehicle. A muffler on a car will increase its performance, efficiency and power output. It will also decrease the wear and tear on the engines’ parts.


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