When your experienced John's Automotive Care technician changes your oil, he will also inspect your air filter. You shouldn't need a new air filter at every oil change, but you will need to change it regularly. Heed your technician's auto advice if they tell you to change your air filter.An air filter does what its name implies: it filters stuff out of the air. Air is drawn into your engine through the filter because your engine needs air to burn fuel. If the filter weren't there, a lot of dust and debris would come into the vehicle engine with the air when you are driving around San Diego. That dust and debris would get hot, burn and produce all kinds of ash and gumminess that would eventually clog up your engine. Drop in an air filter and voilá! Problem solved. But air filters themselves get clogged up with all the junk they clean out of the San Diego air. This doesn't allow the junk into the vehicle engine, but it ... read more

All of us in San Diego know we have to get the oil changed in our vehicles periodically. That's just part of good vehicle care. But when John's Automotive Care technicians change your oil, they also usually inspect your air filter. That's why they sometimes let you know that your air filter needs to be changed before releasing your vehicle.Don't just chock this up to trying to sell you something else. San Diego area drivers really do need to change their air filter when it gets dirty. You can check your owner's manual to see how often your air filter should need to be changed, but remember, if you live in an area in CA with poor air quality, or if you drive a lot or drive under harsh conditions in the San Diego area, you may need to change that filter more often than is recommended.Changing an air filter isn't guesswork. If a filter's dirty, it needs to be replaced. Air filters aren't very expensive a ... read more