When the check-engine light snaps on, it is not a suggestion, it is your car’s way of saying something in the powertrain or ...

In the January issue, we discussed the history of OBD. This time we are going to investigate some of the technology required to meet OBD II standards. To give an idea of the magnitude of technological ...

Antuan started out in the automotive industry the old-fashioned way, by turning wrenches in a driveway and picking up speeding tickets. He now has nearly 20 years of expertise and experience behind ...

Vehicles manufactured since 1996 have had to comply with the CARB issued OBD-II specification. These vehicles use a standardized diagnostic connector and data output format. On-Board Diagnostics (OBD) ...

That little yellow check-engine light is sneaky. Most of the time, you forget it could be there. But when it detects an issue, it illuminates menacingly. For many, the initial reaction might be to ...

Recently, we discussed the pending OBD III, but we did not go into detail about its predecessors OBD II or OBD. These are On-Board Diagnostics that came about when emission controls were born. With ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The check-engine light suddenly appearing on your dashboard is enough to dampen any drive. For the ...

In the Last diagnostics article, we outlined how to retrieve and decipher engine diagnostics for engines running OBD-I engine management computers. OBD or On Board Diagnostics is a subsystem of the ...

It's pretty easy to dismiss the "check engine" light as just stupid, because, well, it is. I suppose if you thought that the cause of smoke coming from under your hood had something to do with the ...

Information is power. And when it comes to cars, information could mean more horsepower. Or better fuel efficiency — even a healthier engine. So says Rex Tokeshi-Torres, vehicle testing technician for ...