Why does my air filter smell when I start my car?
If you smell petrol when starting the car, it’s because insufficient air is entering the fuel injection system and the excess unburnt fuel exits the car through the exhaust pipe (hence the smell). When you replace the air filter, the smell should go. 6. Air filter looks dirty
Is that foul smell coming from the cabin air filter?
If your customer is complaining about a foul smell emanating from the interior of their car, it could be time for a “fresh” cabin air filter. But foul odors aren’t the only reason to change this filter. Cabin air filters also can prevent allergy-producing pollens and dust from entering the car.
What happens when an air filter goes bad?
When one piece is malfunctioning, you’ll see a chain reaction of issues building from one system to the next. Something as simple as the air filter can cause everything from harmful emissions, wasted fuel, damaged spark plugs, and engine buildup. That’s why it’s smart to keep an eye on parts that suffer a lot of wear and tear.
Can a corroded spark plug cause a misfire?
Corroded plug wire terminals at the plug or the coil can also cause a problem. You might consider pulling the codes to see if this is a general misfire or it’s cylinder specific and go from there. I KNOW it’s a VW. And, it does have spark plugs…like some of GM’s engines.
Why does my cabin air filter smell bad?
A dirty cabin air filter can become a source of bad odors by trapping moisture and outside contaminants that promote bacterial growth. Musty odors from the A/C evaporator are a common issue in humid climates and may require spraying a biocide or air fresher into the HVAC housing to get rid of the smell.
When one piece is malfunctioning, you’ll see a chain reaction of issues building from one system to the next. Something as simple as the air filter can cause everything from harmful emissions, wasted fuel, damaged spark plugs, and engine buildup. That’s why it’s smart to keep an eye on parts that suffer a lot of wear and tear.
Corroded plug wire terminals at the plug or the coil can also cause a problem. You might consider pulling the codes to see if this is a general misfire or it’s cylinder specific and go from there. I KNOW it’s a VW. And, it does have spark plugs…like some of GM’s engines.
Why does my car have a dirty air filter?
For every gallon of gasoline consumed by a car, it must be able to intake thousands of gallons of air to process that fuel efficiently. Combustion engines can’t function without an essential component- air! If your check engine light comes on, you should have it read right away to identify the culprit.