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air filters

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What Does the Dirty Air Filter Warning Light Mean?
The dirty air filter warning light turns on when their is reduced airflow to the engine, which affects your car's gas mileage and performance.

Related questions

Question
Can a cracked evaporative canister affect my air filters?
The cabin air filter should be replaced every time you have an oil change. This keeps the air in the cab clean at all times and keeps the AC and heater working in good condition. The filters are not a...
Question
Dead animal inside vents of vehicle.
I have seen a family of mice make a home inside the heater blower case. You may need to have the entire heater blower case removed, thoroughly cleaned out, and sanitized. This may be the only way to remove most...
Question
Oil leak from toyota 2e engine
The oil leak from your valve cover is generally caused by a failing valve cover gasket that is not properly sealing or a valve cover that is not properly torqued down. I would suggest having an expert from YourMechanic come...
Question
My car has a lot of mileage. Is it road worthy?
Every single part on a motor vehicle will eventually fail or "wear out", and often parts will fail multiple times over the vehicle's life (for example, tires, brakes, rotors, water pumps, oil seals, timing belts, bulbs, hoses, and so forth)....
Question
Should diesel engine shut off when i block air intake before filter.
Hi there. The air intake on today's modern cars are finely tuned pieces of equipment - especially on a diesel engine. If air flow is blocked or reduced in any way, it can cause the engine to have troubles maintaining...
Question
Car is losing power and shaking
Hello. Your intuition is correct. Your vibration is caused by a failing "flex disk", a large rubber and steel "doughnut" which connects the transmission and driveshaft, and acts as a u-joint to allow flexing as the engine and transmission move...
Question
Mpg going down
Hello. If the gas mileage has gotten worse since you replaced the air filter you will want to look into that first. It may be installed upside down or improperly. If the air filter is not the issue, then you...
Question
When I switch on the vents the cabin starts smelling
This is a common issue when the cabin filter needs to be replaced. Your vehicle has an air filter that filters the outside air as it is circulated into the vehicle when using the heater or air conditioning system. As...
Question
Looking to buy an E-class 350 4matic with 62000 miles. What maintenance services are needed?
Hello. My research indicates that the only major services required due are the spark plugs and air filter at 80k miles. If the plugs have already been done, then no major services are due until over 100k miles, besides your...
Question
Weird sound from air filter
Hello. You are going to want to inspect the vehicle for a vacuum leak. These can occur in several places. Secondly check all of the hoses involved with the PCV. These may be cracked or damaged. Gasses can build up...
Question
AC is not blowing cold and a plastic-like smell when AC is on.
There are different possibilities that could contribute to the plastic smell. The smell could be caused by a coolant leak, an electrical issue, the A/C compressor overheating, or simply an outside smell. Sometimes, plastic bags tend to get stuck...
Question
I accidentally drove through 2 feet of water, I have replaced several parts but the car still runs poorly
You did not mention replacing the air filter after it got wet. The engine and its sensors were not designed to go through water and will get damaged. You may have also damaged internal engine parts like bending engine piston...
Question
i'm not getting the fuel mileage I got when I first purchased the car
If your fuel mileage has dropped, first check for any leaks under the vehicle. If there are no visible leaks, then check the spark plugs and see what color they are. If they are burned and white, then the spark...
Question
I recently changed my cabin air filter and I saw more noise from the engine. Why does this happen?
Hi there. The noise you're hearing may not be engine noise. You may be hearing debris being knocked around the blower motor. The debris may have fallen into the blower motor when you changed the cabin filter. Remove the filter...
Question
Bought truck with aftermarket air filter. Not sure if it's cotton or synthetic. Would like to know if I need to oil it
Hello. Most synthetic air filters I have experience with utilize an oil that is pink. If the filter has a pink, or pink/brown tint, it is synthetic. Synthetic filters will tend to have a molded rubber border as well. If...
Question
Will not attempt to start. Engine has spark. Also noticed oil was in the intake tube.
Hi there. Check to see if the fuel injectors are working. You can back probe them with a digital meter and see if the voltage is being metered. If the injectors are working, then check the crankshaft position sensor and...
Question
Vehicle check engine light is on - cannot pass smog test and stalls out - even when u press on gas pedal.
Sent to CS for billing question on how much it would cost for a tune up for the BMW to pass emissions test. A tune up comes with cleaning out the fuel system and performing a fuel injection flush, replacing...
Question
When I have my foot on the gas the truck shakes.
Hi there. Check the air filter and make sure that its not plugged up. A plugged air filter will cause the engine to not breathe correctly and make the engine shake on acceleration. Also check the mass air flow sensor...
Question
Regarding air filter
The air filter is there to keep out the dirt and debris from getting into the motor. Depending on how long the filter was not sealed will not be good for the engine and may have caused some extra wear...
Question
After taking out my cabin air filter from glove box and cleaning it and putting it back, in it now make a loud noise.
Hello. When diagnosing noises on a system that is as simple as the air filter, try not to overcomplicate it. Pretty much the only error you can make with the filer itself is installing it the wrong way. Verify is...

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