We began our deep dive into the history of on-board diagnostics last week. OBD began in earnest on the 1967 Volkswagen Type 3 when it launched with an engine that featured electronic fuel injection.

From the late '80s onward, cars were becoming more and more technically advanced, and an old-school toolkit could only do so much. So, following some development (and the limited OBD-I design), the ...

Add Yahoo as a preferred source to see more of our stories on Google. Modern cars are technological marvels, and understanding what's happening under the hood has never been more important—or more ...

The era eventually deemed OBD-I was a difficult one for consumers and independent mechanics alike. Between about 1981 and ...