Quick Answer: What Does A Bad Air Filter Cause?

How do I know if my air filter needs changing?

5 Signs That You Need to Change Your Car Air FilterAir Filter Looks Dirty.

A new air filter will be white or an off-white color.

Check Engine Light Turns On.

The Check Engine Light can come on for many different reasons, and sometimes it is due to the air filter.

Lower Horsepower.

Black, Sooty Smoke Leaving the Exhaust Pipe.

Smell of Gas When the Engine Starts..

How often should AC filters be cleaned?

every two weeksAs a general rule, you should clean your air conditioner filters within the indoor unit every two weeks. In more dusty or polluted environments you should clean your filters more regularly. Cleaning your filters is the most important maintenance task you can do to care for your air conditioner.

Does Jiffy Lube replace air filters?

WHAT WE DO: Jiffy Lube® removes and inspects the engine air filter and, if necessary, replaces it with a new, clean filter.

What happens if I don’t change my air filter?

If you don’t change your AC filter, it will begin to fail. It will no longer be able to filter the air properly, letting dust and contaminants get into the AC. Dust jams the moving parts of an AC such as fan motors and valves. The HVAC system will draw more power to overcome the obstacle.

Does an air filter make a difference?

Replacing a clogged air filter can increase fuel efficiency and improve acceleration, depending on your car make and model. … How can an air filter make so much difference? A dirty or damaged air filter limits the amount of air flowing into your car’s engine, making it work harder and, therefore, using more fuel.

What are the symptoms of a bad air filter?

Here are seven common problems that could be solved by replacing your air filter:Strange engine noises. … Decreased performance. … Decreased fuel economy. … Black smoke or flames in the exhaust. … Smell of petrol in the exhaust. … Air filter looks dirty. … Check engine light comes on.

Does a dirty air filter affect performance?

In most cases, a clogged or dirty air filter might not affect mpg as much as say, a deflated tire, but it can definitely rob your engine of power. Think of it this way—your engine runs on combustion power. … If this is isn’t happening because the air filter is clogged, well, acceleration, power, and torque may suffer.

What happens if you drive your car without an air filter?

Without an air filter in place, the engine may also be sucking dirt and debris in at the same time. This can cause damage to internal engine parts, such as valves, pistons and cylinder walls. The result is excessive oil consumption, poor engine performance, and eventually engine failure.

Does changing air filter improve performance?

Increased fuel efficiency: In addition, changing a clogged air filter can potentially increase acceleration by 6 to 11 percent on modern fuel-injected cars. … Regardless of the exact figures, it is obvious that a clean air filter improves air flow to the engine and increases engine performance and gas mileage.

How long do air filters last?

60 daysFor basic 1″–3″ air filters, manufacturers typically tell you to replace them every 30–60 days. If you suffer from light to moderate allergies, you could install a better air filter or replace them even more regularly.

Why is my air filter dirty so fast?

When your A/C is on the thermostat fan will constantly be running causing air too run over the air filter continuously and causing it to get dirty more quickly. … You may have a leak in your air ducts – Leaky air ducts can also cause your filter to clog up and especially if it is near your AC unit.