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Diagnosing a problem with your vehicle PDF Print E-mail

Diagnostics
Today vehicles contains nearly as much electronics and computing power as the space module that put the first men on the moon.

Nearly every system on your vehicle, from steering and brakes, to fuel injectors and air conditioning, is controlled by a computer. This computer has a series of sensors, through which it can determine if there is a problem with any of these systems and notify the driver via dashboard warning lights.

What will alert my vehicle's computer to a problem?
Any number of things can go wrong with your vehicle's systems, and sensors within those systems will notify the CPU when there is a problem. Some sensors tell the CPU when the mixture of air and gasoline are not right. Other sensors tell the CPU when the engine timing is off, when the vehicle’s emissions are out of whack, or when the ABS (anti-lock braking system) is not working properly. Some of these problems show up as a dashboard warning light. Others will generate a “code,” or notification to the car’s on-board computer that something is wrong.

How will Tuffy diagnose and repair the problem that alerts my computer?
When your check engine light comes on, swing into your neighborhood Tuffy. Tuffy’s trained technicians use state of the art computer scanners, smoke machines, and good old fashion know how to “talk” to your car’s computer to find out if and where there is a problem. Based on the results of these diagnostic tests, your Tuffy Automotive Service Specialist will make a service recommendation to correct the problem, and advise you of your options before beginning work on your vehicle.

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