Dirty Air Filter: 8 Symptoms And Replacement Cost

In this article, we will be discussing the adverse effects caused due to the ill condition of the lungs of your vehicles engine the air filter, how to know that it needs replacement and what is the average replacement cost.

By car&bike Team


1 mins read


Published on June 21, 2022

Follow us on



    Signs Which Indicate That Air Filter is Dirty


    Photo Credit: www.freemanmotor.com

    If the air filter is not checked and replaced at the recommended service interval or the vehicle is repetitively used in a dusty environment, the air filter keeps on getting clogged with dirt. It eventually hampers the performance of the vehicle, which is evident from some minor as well as major indications, which are as follows:

    • Drop in power 
      Due to dirt clogged in the air filter, a sufficient amount of air isn't supplied to the engine. It eventually results in irregular acceleration even after consistent throttle inputs. 
    • Glowing of check engine light
      When an air filter gets clogged with dirt, an insufficient supply of air causes the deposition of carbon deposits in the engine, which can trigger the check engine light.
    • Visible dirt in the air filter
      In every service check-up, checking the air filter is a must. The accumulation of dirt and dust make the air filter look dark, thus changing its colour from light to dark.
    • Drop in fuel efficiency
      The irregular supply of air into the combustion chamber due to a clogged air filter also results in fuel consumption more than required, thus reducing the fuel efficiency.
    • Misfiring of the engine
      Due to carbon deposits caused to a poor air-fuel mixture caused by a dirty air filter, the soot residue starts accumulating on the tip of spark plugs and causes misfiring in petrol engines.
    • Dark smoke from exhaust
      The emission of black or dark grey coloured smoke from the vehicle's exhaust pipe is also an indication of improper combustion of the air-fuel mixture, which is an outcome of a dirty air filter.
    • Smell of fuel during startup
      If adequate air is not supplied to the engine, unburnt fuel is released from the engine through the exhaust pipe, thus resulting in the emission of fuel smell. 
    • Abrupt noises from the engine
      If an air filter gets clogged with dirt, the lack of supply of sufficient amount of air can create a strange whistling sound, which is evident while accelerating the vehicle.

    Photo Credit: www.scottrobinsonhonda.com

    Replacement Cost Air Filter

    Usually, for affordable compact cars and SUVs, the price of an air filter ranges between Rs 800 to Rs 5,500, while the costlier ones can also be reused after cleaning. The replacement of the air filter is usually included in the basic labour charges of servicing the vehicle, which range between Rs 1,200 to Rs 2,500 for affordable cars.


    Photo Credit: www.pgfilters.com

    Stay updated with automotive news and reviews right at your fingertips through carandbike.com's Google News

    Related Articles

    Latest News