Engine monitors: Drive with safety – and frugality

By Greg Illes In 1996, the U.S. auto manufacturers began adhering to (another) new standard. This time it was the On-Board Diagnostic port, or OBD interface to the engine electronics. This port (since evolved to OBD-II) allowed access to a host of engine parameters, from water temperature to fuel flow and other critical operating numbers. The OBD also reads the…

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