OBD history and features

'OBD'

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is a short from on-board diagnostics system. It can test the vehicle exhaust system oxygen sensors and other related parts in use, and thereby prompt the driver to repair in time. United States in 1988, first in California, leaders of the 'OBD I,'
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and in 1994 regulations implementing the OBD II Europe is implemented from 2000 after an increase of Euro III OBD functional inspection, known as the EOBD (europe on-board diagnostics), EOBD requirements are not strictly as the 'OBD II '
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United States, the two emission limits is not the same. Because of different test cycles,there are not comparable. 'OBD'
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main function is to monitor actual use of vehicles with emission control components related to the state, including the engine, catalytic converter, oxygen sensors and other components, resulting in deterioration of vehicle emissions when a certain alarm to the driver, and the corresponding fault code and the freeze frame data for storage. 'OBD'
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is the I / M (inspection / maintenance) system can not be the missing link, in order to avoid the phenomenon of the vehicle alarm, the user is not timely repair of vehicles, the California study and formulate regulations introduced in the emission OBD III, about OBD monitoring system satellite communication link with the infinite, each one in the state register of all vehicle emissions can be real-time understanding of the higher authorities.

Reply to
xcarstore
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Change spark plug wires. Water vapor, oil vapor and gasoline vapor that are found in the engine compartment combined with the heat does a number on the spark plug wires and causes the current to leak to the engine block causing the spark plug not to fire.

Reply to
saltnoon

It's quite simple, get the "professional associate from the zone" to check the systems monitor to see if they are ready or not ready. If they are not ready, then yes, they erased the codes and haven't yet triggered the light.

Reply to
timptonwest

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