Monthly Archives: May 2015


I recently had a customer ask “My air conditioning is not cold enough at idle sitting at a stop sign, but gets colder when I get on the freeway. Is this a sign that my compressor is weak?” Like your body, the air conditioning compressor is at the heart of the AC system, and Freon is the blood. The compressor pumps Freon throughout the AC system. This Freon is a gas and liquid combination that is compressed and circulated throughout the air conditioning system. The compressed Freon is pushed through the system under extreme pressure to the expansion valve that causes the gas to expand and contract. This expansion and contraction makes the Freon gas very cold. Now if your air conditioning is not cold at idle, but is cold going down the road then this is a early indication that you are experiencing a lose in Freon or a component failure. Depending upon the size of the leak or the failure of the part, before you have no cold air at all. At the first indication of failure ... read more

Better Gas Mileage

As the rising prices of gas have hit our wallets hard, many customers have asked what they can do to get better gas mileage. I think that question would be better asked this way: What can we do to ensure that our automobiles are getting the same gas mileage they did when they were brand new? Let’s first look at what can cause bad gas mileage. Simple things like a dirty air filter, past due on oil changes, worn spark plugs, dirty fuel injectors, and under inflated tires are just a few items that may affect your gas mileage. There are also more complex problems like weak oxygen sensors, bad mass air flow sensors, and vacuum leaks that can contribute to decreased fuel efficiency. Most of these can cause the check engine light to come on. However, if they are only starting to go bad, the check engine light may not come on. It is best to have your computer analyzed at least once a year for any problems that might be beginning…problems that may be indicated by small decrease in ... read more

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