A persistent smell of exhaust in the cabin can be very dangerous and the car should be inspected immediately. As exhaust leaks into the engine compartment it will make its way into the vehicles cabin via the various vents systems in the vehicle. The leak can develop in the muffler, exhaust pipe or even the manifold. A leak can develop anywhere in the exhaust system and this can result in a heavy exhaust smell in the vehicle.

Muffler: The muffler reduces the noise that is created by the various explosions happening in the engine.Įxhaust Pipe: The exhaust travels through the components listed above and then passes into the exhaust pipe and is sent out into the air.Įxhaust Leak: If the exhaust smell is inside the vehicle cabin, a leak in the exhaust system is almost always the cause. Catalytic converters are required by almost all states. Oxygen Sensors: Oxygen sensors measure the ratio of oxygen to exhaust and transmit this information to the vehicle computer so it can adjust the amount of fuel being added to the air going into the engine.Ĭatalytic Converter: The catalytic converter changes carbon monoxide and hydrocarbons into water and carbon dioxide, which is more environmentally friendly. Exhaust manifolds vent the cylinders exhaust by combining it all into one pipe. It is made up of a number of different components.Įxhaust Manifolds: Exhaust manifolds are connected to the cylinder head and are responsible for engine air intake. The exhaust system carries away the spent gases that are produced by the engine combustion. Service type Exhaust fume odor in car InspectionĢ018 Chevrolet Equinox L4-1.6L Turbo Diesel

2020 chevrolet equinox inside