Have you ever wondered; what's a muffler & what does it do?
Well, it’s a part of your car’s exhaust system responsible for reducing the amplitude of engine noise.
If it fails, your Audi A4 exhaust will make a high-pitched sound.
Besides, it can adversely affect the engine operation in your car.
Some of the most common reasons behind muffler failure in a car are as follows; • Exposure to road salt • Deposition of mud and other contaminants • The impact from a speed bump or similar obstacle
Loud Exhaust Noise
It is one of the most obvious signs of a failing exhaust muffler.
The sole purpose of an exhaust muffler is to dampen the engine noise.
However, a clogged or broken exhaust muffler fails to do so.
As a result of this, your car’s exhaust might make loud scary noises.
Besides, a cracked or leaking exhaust manifold occasionally makes hissing and tapping sound.
Poor Engine Performance
A clogged or bad exhaust muffler can suffocate the engine.
It makes your Audi A4 engine run sluggish.
Consider installing a new muffler for optimal engine performance.
Engine Misfire
It is another noticeable symptom of a bad or clogged exhaust muffler.
A defective exhaust muffler can cause engine misfire in your Audi A4.
It happens due to the pressure difference between the intake and exhaust manifold.
Keep the muffler clean for a smooth flow of exhaust gases.
Gas Mileage Plummets
A recognizable depletion in gas mileage is another feasible sign of a bad exhaust muffler.
Rise in back pressure within the engine tricks the ECU to inject more fuel into the cylinders.
In the wake of that, you would notice an increase in the rate of fuel consumption.
A broken or clogged exhaust manifold fails to dampen engine noise.
As a result of this, you would hear loud engine/exhaust noise in your Audi A4.
Sluggish engine operation is another characteristic of a broken muffler.
So, if you are noticing signs of exhaust muffler failure in your Audi A4, get it replaced.
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