Dirty air filter: 8 symptoms and replacement cost


In this article, we’ll discuss the adverse effects caused by the poor condition of your vehicle’s engine air filter, how to know it needs to be replaced, and what the average replacement cost is.

Signs that the air filter is dirty

Photo credit: www.freemanmotor.com

If the air filter is not checked and replaced at the recommended maintenance interval or if the vehicle is repeatedly operated in a dusty environment, the air filter will continue to become clogged with dirt. This ends up hampering the performance of the vehicle, which is evident from some minor and major indications, which are as follows:

  • power drop
    Due to clogged dirt in the air filter, a sufficient amount of air is not supplied to the engine. This ultimately results in erratic acceleration even after consistent throttle inputs.
  • Illumination of check engine light
    When an air filter becomes clogged with dirt, insufficient air intake causes carbon deposits to build up in the engine, which can trigger the check engine light.
  • Visible dirt in the air filter
    At every maintenance check, checking the air filter is a must. The accumulation of dirt and dust gives the air filter a dark appearance, thus changing its color from light to dark.
  • Lower energy efficiency
    Irregular air supply to the combustion chamber due to a clogged air filter also causes fuel consumption to be higher than required, thus reducing fuel efficiency.
  • Engine misfire
    Due to carbon deposits caused by improper air-fuel mixture caused by a dirty air filter, soot residue begins to accumulate on the tips of the spark plugs and causes misfires in gasoline engines. essence.
  • Black smoke from the exhaust
    The emission of black or dark gray colored smoke from the exhaust pipe of the vehicle is also an indication of poor combustion of the air-fuel mixture, which is the result of a dirty air filter.
  • Fuel smell on startup
    If sufficient air is not supplied to the engine, unburned fuel is released from the engine through the exhaust pipe, causing a fuel smell to be emitted.
  • Sudden engine noises


    If an air filter is clogged with dirt, the lack of sufficient air supply can create a strange hissing sound, which occurs when accelerating the vehicle.


Photo credit: www.scottrobinsonhonda.com

Replacement cost air filter

Usually, for compact cars and affordable SUVs, the price of an air filter ranges between Rs 800 and Rs 5,500, while the more expensive ones can also be reused after cleaning. Air filter replacement is usually included in the basic labor cost of vehicle maintenance, which ranges between Rs 1,200 and Rs 2,500 for affordable cars.


Photo credit: www.pgfilters.com

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