Dirty Cabin Air Filter Symptoms

Clogged air filter symptoms.

Dirty cabin air filter symptoms.

1 unusual engine noises. Another symptom of a bad or failing cabin air filter is an unusual odor coming from the vehicle s interior vents. A good rule of thumb is to replace your cabin air filter every february before spring allergy season arrives especially if you live in an area with a lot of trees. Since they work in essentially the same fashion as a regular engine air filter cabin air filters get dirty and should be.

A cabin air filter that s dirty or clogged won t filter those contaminants causing problems for those who suffer from allergies or have breathing difficulties. Air filter appears dirty. An excessively contaminated filter may produce a dusty dirty or musty smell. An overworked air conditioning system with reduced airflow is less able to keep the a consistent cabin air temperature.

When to replace the engine air filter. These conditions will reduce performance in acceleration and fuel economy. Read on to learn the signs your vehicle needs air filter maintenance so you can keep it healthy and on the road for years to come. Over time the air filter can become dirty and clogged and the lack of air can affect the overall performance of your car.

An unclean air filter greatly impedes the amount of airflow to the engine which in turn causes an overly rich air fuel blend. Luckily dirty air filter symptoms are easy to identify once you know what to look for. One of the easiest symptoms to recognize is the appearance of the filter itself. Here are eight tell tale dirty air filter symptoms.

If you re noticing that the engine does not start up easily it may be due to a dirty air filter. Highly concentrated air fuel mixtures can pollute the spark plugs which will cause your engine to misfire or miss. A dirty or clogged air filter can restrict the engine s airflow thereby decreasing the amount of air available for combustion while also throwing off the air fuel ratio. The filter traps dust pollen and other foreign particles preventing them from entering the vehicle and polluting the cabin.

As noted above a bad air filter can significantly affect the performance of your car s engine. The cabin air filter is the filter responsible for filtering the air that is fed into the vehicle s heating and air conditioning systems. Most auto companies recommend that you change the air filter every 10 000 to 15 000 miles or every 12 months.