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exhaust system

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3 Reasons Your Car Smells like Rotten Eggs
A sulfuric or rotten eggs smell indicates an excess of byproducts left over from failed combustion. Removing the smell requires part replacement.
P0420 OBD-II Trouble Code: Catalyst System Efficiency Below Threshold (Bank 1)
P0420 code means that either the upstream or downstream oxygen sensor in the catalytic converter is not working. Replacing these parts can fix P0420.
Symptoms of a Bad or Failing Exhaust Gas Recirculation (EGR) Valve
Common signs include engine performance issues like decreased power and acceleration, rough idle, and the Check Engine Light coming on.
Symptoms of a Bad or Failing Catalytic Converter
Common signs include reduced engine performance, rattling sounds, and the Check Engine Light turning on.
Symptoms of a Bad or Failing Catalytic Converter
Common signs include reduced engine performance, rattling sounds, and the Check Engine Light turning on.
Does Changing the Exhaust System Void a Manufacturer Warranty?
Stock exhaust systems are designed to provide good operation in the widest possible range of driving conditions. That means there...
Does Changing the Exhaust System Void a Manufacturer Warranty?
Stock exhaust systems are designed to provide good operation in the widest possible range of driving conditions. That means there...
How to Install an Exhaust System in Your Car
Your vehicle’s exhaust system plays a few very vital roles in keeping your car running efficiently and quietly. It aids in moving...
Is it Safe to Drive With a Loud Muffler?
The muffler is part of your vehicle’s exhaust system. The exhaust system routes fumes away from the interior of the vehicle,...
Is it Safe to Drive With a Hole In Your Exhaust?
The exhaust collects discarded gases from engine cylinders into one pipe. These gases are then delivered to the exhaust pipe...
Is it Safe to Drive With an Exhaust Leak?
Your vehicle’s exhaust system keeps the car quiet and the exhaust fumes away from the cabin. Furthermore, the system helps...
Why Do Some Cars Have Really Smelly Exhaust Fumes?
Smelly car exhaust fumes mean that something is going wrong. It could be leaking fluids, a failing catalytic converter, or imbalanced air/fuel mix.
Why Do Some Cars Have Really Smelly Exhaust Fumes?
Smelly car exhaust fumes mean that something is going wrong. It could be leaking fluids, a failing catalytic converter, or imbalanced air/fuel mix.
Why Do Some Cars Have Really Smelly Exhaust Fumes?
Smelly car exhaust fumes mean that something is going wrong. It could be leaking fluids, a failing catalytic converter, or imbalanced air/fuel mix.
What Causes an Exhaust Manifold to Crack or Leak?
Your car has two manifolds – an intake manifold and an exhaust manifold. Both serve essential purposes, but the one most likely to...
What Causes an Exhaust Manifold to Crack or Leak?
Your car has two manifolds – an intake manifold and an exhaust manifold. Both serve essential purposes, but the one most likely to...
What Causes an Exhaust Manifold to Crack or Leak?
Your car has two manifolds – an intake manifold and an exhaust manifold. Both serve essential purposes, but the one most likely to...
What Causes an Exhaust Manifold to Crack or Leak?
Your car has two manifolds – an intake manifold and an exhaust manifold. Both serve essential purposes, but the one most likely to...
What Causes an Exhaust Manifold to Crack or Leak?
Your car has two manifolds – an intake manifold and an exhaust manifold. Both serve essential purposes, but the one most likely to...
What Causes an Exhaust Manifold to Crack or Leak?
Your car has two manifolds – an intake manifold and an exhaust manifold. Both serve essential purposes, but the one most likely to...

Related questions

Question
Exhaust Manifold cracked, does the catalytic converter have to be replaced too?
He's correct in that the sienna catalyst is integral with the exhaust manifold. That is done by the manufacturer to ensure that the catalyst reaches operating temperature as quickly as possible. It's not true of all cars so your friends...
Question
White smoke from exhaust
Hello. White smoke out of the exhaust usually means that there is coolant getting into the cylinder head, or engine block. The most common cause of this is a blown head gasket. This means that the head gasket that sits...
Question
White smoke coming out of exhaust
White smoke is an indicator that the engine is burning coolant. The fact that the engine idles poorly points toward a problem with the cylinder head; most commonly, the head gaskets. When the gaskets fail, a leak between the cylinder(s),...
Question
White smoke coming from exhaust.
White smoke is an indication of coolant burning, especially if you having to add coolant frequently. If the white smoke is coming out the exhaust pipe then it is most likely being consumed in the combustion chamber. A common cause...
Question
Where Is the O2 Sensor Located?
Oxygen sensors O2 sensors will always be located in the exhaust system. Their function is to sense how much oxygen remains in the exhaust that is flowing out of the engine, and report that information to the vehicle’s engine control...
Question
Where Is the O2 Sensor Located?
Oxygen sensors O2 sensors will always be located in the exhaust system. Their function is to sense how much oxygen remains in the exhaust that is flowing out of the engine, and report that information to the vehicle’s engine control...
Question
Thumping sounds while driving over sharp bumps
The only part you did not mention and the most likely cause of the problem is the inside lower control bushings which could possibly be bad. I would also check the steering gear mount bushings for excessive wear. Both of...
Question
Smoke coming out of tailpipe
If the smoke is white, you're burning coolant, if the smoke is blue, you're burning oil, if the smoke is black, you're running rich (too much gas). A qualified technician, like one from YourMechanic, can help you identify the problem...
Question
Smoke coming out of exhaust
Hi, the blue tint you mentioned is in fact from oil burning. Over time the internal engine components, specifically the piston o-rings and the valves, wear out and oil starts seeping into the cylinders and burning with the air and...
Question
Smoke coming from exhaust
Hello, it sounds like you may have a gasket or seal leaking on your car. Smoke in the exhaust could indicate 2 things: you're burning oil or you're burning coolant. If you're burning oil that usually means your valve seals...
Question
Random misfires
Hello. There are several possibilities that could explain why you are having this problem. One possibility is that you could have one or more faulty fuel injectors, or the fuel injector wiring is damaged. Another possibility is...
Question
Radiator not holding water
This is a common issue. Many of the radiators installed in vehicles are aluminum cores with plastic water tanks. There is a gasket that seals them together. Over time the gasket fails and water starts to leak from between the...
Question
Oil steam exhaust pipe
Hello there, thank you for asking about your 1991 Geo Storm. After your comment about flooding the parking lot with steam, this symptom leads me to believe you may have a failed head gasket. A failure in this seal will...
Question
Oil leaking from car
Hello, it sounds like you may have a gasket or seal leaking on your car. Smoke in the exhaust could indicate 2 things; you're burning oil or burning coolant. If you're burning oil that usually means your valve seals and...
Question
Muffler
The exhaust is the same except for after the muffler on most of them. The F150 has long and short frames, and I am not sure which one is the same as the Expedition. Your best bet is to get...
Question
Low coolant light is on
Hello, the Dex-cool GM requires for using in your vehicle is known to thicken and clog up the cooling system. Also, The noise you describe is a common sign of a leaking exhaust system and should be inspected. I suggest...
Question
Loud exhaust
Hello. The symptoms and situation that you describe are commonly associated with an exhaust leak. If your muffler or exhaust pipes were bent when the accident occurred then it is very possible that they developed an exhaust leak and are...
Question
Loss of power
Hello. From my experience with this truck this is usually caused by a wiring issue on that side of the engine. If the ground loses connection then one side of the engine will begin to misfire and this will occur....
Question
Leak from Manifold
You are correct. The most likely cause of an intake manifold leak, is gasket failure. These gaskets fail for a number of reasons and can be swapped out in a day. The majority of the process is removing the manifold...
Question
I have an exhaust leak
The exhaust manifolds are known to warp on these engines, causing an exhaust leak. This is typically most noticeable when the engine is cold, before the metal heats up and expands. The only solution is to replace the manifold(s). However,...

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