Category Archives: Dashboard

Watching Your Check Engine Light

Did you know that most of the cars driving around TULSA, OK, carry more computer power than the Apollo 121 Lunar Module that landed on the moon in 1969?New cars sold in the TULSA area have as many as 12 networked computers and over five miles (eight kilometers) of wiring. In fact, for the last decade or so, auto computers have been controlling about 85 percent of your vehicle's functions.Cars have sensors for manifold air temperature, coolant temperature, manifold air pressure, airflow, throttle position, vehicle speed and oxygen content. All of this electronic wizardry is pretty complicated. So how do TULSA drivers know when there is a problem?It's simple; the Check Engine light comes on. The computer monitors all the sensors and uses that information to decide what to adjust such as the fuel mix, spark timing and idle speed. In addition, the computer monitors its own circuits. When it finds a fault, it turns on the Check Engine light and stores a trouble code in the computer.It ... read more

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Dashboard