When driving around town, your family car engine needs clean air to burn the fuel – and it needs a lot. In fact, a typical vehicle needs about 216,000 gallons of air for every tank of gas.

All that air passes through a filter that catches the dust and dirt. Eventually the filter gets completely full. Because the filter can only hold so much, dirt starts getting through. This dirty air passes through the mass airflow sensor, and starts to accumulate on the delicate sensor element. The mass air flow sensor measures how much air is getting into your engine. When the airflow reading is incorrect, your family car engine doesn’t get the proper amount of fuel. It runs rough and doesn’t perform as well as it should.

Eventually, the sensor is so damaged it needs to be replaced – which is pricy. In fact you could buy a case or two of air filters for the cost of a sensor replacement.  Of course, that dirty air keeps on going through to your family car engine where it’s burned along with the fuel, which dirties up your combustion chamber and increases harmful exhaust emissions – not a good thing for community air quality, not to mention our lungs.

When our Automotive Service Advisor brings out your dirty air filter and recommends a replacement, remember the cost and poor performance that can be waiting for you down the road if you neglect this simple automotive service. 

Talk to us about general automotive care and maintenance, your safety is important to us and we have been providing quality auto repair services for cars, trucks, vans, and SUV's for many years.  Schedule your appointment with our team today.





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Thank you for visiting Dennis Johnson Auto Repair in Madison, AL. Count on our automotive repair technicians to keep your car, truck, suv, or van on the roads longer and safer.

Schedule your appointment today BOOK NOW   |   CALL: (256) 230-0400

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Dennis Johnson Auto Repair

1114 Old Railroad Bed Rd
Madison, AL 35757
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location small (256) 230-0400

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Weekdays:   7:30 AM - 5:00 PM
Weekends: CLOSED

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