Are you driving around with your light on? All of today’s cars have an onboard computer that monitors several systems on your vehicle and gathers information from several sensors such as the engine and then processes this information and controls several engine functions and components, such as fuel mixture, ignition timing, etc. When one of these components or sensors malfunctions, the computer may go into what is called a “limp mode”, and will have a limited control of the engine components & performance. When this happens, you may experience poor fuel economy and/or rough idle and poor performance. Also, your check engine light will come on. This is not a call for immediate alarm, so long as all your gauges are in the normal range. Seek service at your first opportunity with us at National Automotive Repair. If left alone for too long it can start to cause other problems or damage.
When your check engine lights comes on, you may be torn between utter panic and just wanting to ignore it and hope it goes away. That’s perfectly understandable. That same check engine light could come on for anything from a serious engine or transmission problem all the way down to a loose gas cap. There’s a very common misconception that the trouble codes stored in your engine computer when your check engine light comes on will specifically identify a problem. It’s really more like pointing to the symptoms of a problem. Think of taking your temperature. Say it’s 101. Your heat sensor – the thermometer – tells you that your temperature is out of the normal range. But it doesn’t tell you why you have a fever. Is it the flu or a sinus infection? You need more information; more tests. For any given trouble code, there could be a number of causes. So your trained technician takes the trouble code as a starting point and begins a diagnostic process to deter ... read more