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Service Tips:
OBD II
On-Board Diagnostic systems are in most cars and light
trucks on the road today. During the '70s and early 1980's manufacturers started
using electronic means to control engine functions and diagnose engine problems.
This was primarily to meet EPA emission standards. Through the years on-board
diagnostic systems have become more sophisticated. OBD-II, a new standard
introduced in the mid-'90s, provides almost complete engine control and also
monitors parts of the chassis, body and accessory devices, as well as the
diagnostic control network of the car.
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