The first symptom of an exhaust system problem is your vehicle will be louder than normal,especially when accelerting. You may also notice a drop in performnce and fuel economy.
what is bad exhaust system?
The emissions warning light refers to a problem with the exhaust system. The most common problem with the exhaust system is a plugged catalytic converter.
If the emissions light turns on there is a problem with the exhaust system. The oxygen sensor, erg system and exhaust should be checked for any leaks or malfunctions.
You begin isolating the symptoms to identify a single problem
It is normal for the exhaust to get hot. It is the result of an internal combustion engine. If the exhaust is red hot then there is a problem, perhaps from excess fuel or incorrect timing.
You can smell exhaust because your exhaust pipes and exhaust system has worn out. As a result, the exhaust and carbon monoxide it contains leaks inside the van. Soon, it will not be a problem because the carbon monoxide will have killed all of you.
These symptoms sound like the fuel mixture is too rich , that could explain the symptoms, the fix could be more difficult, check the air filter, to see if there is a blockage , it could be an ignition problem, spark plugs, ignition wiring, exhaust system , catalytic converters can be problematic, give the cat. a whack if it sounds like something loose inside that could be the problem, or the computer. but try the simple things first (least expensive), and work your way up.
The Catalytic concertor smells like rotten egg throughout the exhaust system or rattling from underneath your vehicle .
That is condensation due to the exhaust system being cold and the heat from the engine makes the exhaust system / pipes sweat. As the exhaust system heats up then that will stop. Now you said WATER not antifreeze. If you had engine coolant running out of the exhaust then it would be the color of the antifreeze and it would be steaming WHITE and then you would have an engine problem, MAYJOR. You said water. Drive it you have no problems. That is normal.
Exhaust system brackets are used to hold the exhaust system in place
The exhaust valves are the hottest component of the exhaust system of an internal combustion engine.
Because there is a problem, and you don't realise it!