Black smoke usually means that the engine is getting too much fuel or not enough oxygen. Check the air filter first. If it's clean, look for a stuck injector. Other possibilites include oxygen sensor, map sensor and throttle position sensor.
There isn't much a person can do to stop the stinky smell of exhaust from the muffler. This smell, sometimes like sulphur or rotten eggs, is a by-product of the fuels burned.
Just having a hole in the muffler won't cause smoke to form. Any smoke coming from an engine is caused by either environment changes (white smoke while engine is warming up), or an engine burning oil (blue smoke). Sometimes even a bad catalytic converter can cause smoke. The hole in the muffler simply gives the smoke a way out. Trying looking for external oil leaks or checking he oil level occasionally to see if it is burning oil. You may see water vapor is there is a hole in the muffler but it wouldn't last long once the muffler warms up and the moisture is burned off. She shouldn't see actual smoke unless there is a problem with the engine.
The smoke from your muffler has a smell because what is coming out of the muffler is the products of the incomplete combustion of your fuel. Some of those products are gases and vapors that have color and some are dark but small particles - that is what you call smoke. But some of what comes out are various chemicals that your nose detects as odors.
You may have a blown head gasket.
White smoke indicates coolant entering the combustion chamber. STOP driving this car immediately and have this repaired or you will destroy the engine.Blue smoke indicates the engine is burning oil.Black smoke indicates an overly rich fuel/air mixture. Have this repaired or you will destroy the catalytic converter and the O2 sensor.
The most common reason for your Pontiac to lose oil and ex smoke from the muffler is a broken piston ring. A malfunctioning exhaust valve can also cause the problem.
White smoke from the exhaust is a symptom of coolant entering the combustion chamber. Most likely cause is a blown head gasket, cracked heard, or both. STOP driving this car until you can have it repaired or you will destroy the engine.
The car might not start. If it does start, the banana might shoot out the tailpipe. If it is up in the muffler, it might smoke or burn.
if its cold outside your muffler starts to smoke or it just started up or something im not sure
your car is burning oil.
while driving when you smoke you feel some drowsiness and your concentration from driving is lift up. and their is a chance of accident
Yes the white smoke is really steam from the cooling system a seal or gasket has failed.