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OBD1 and the OIS
Posted to Emissions Forum on 9/7/2016 32 Replies

Friends,

There are certain medium duty federal trucks that are year model 2000 that are OBD1 certified. An ASCCA shop reports that, as instructed, he tested said vehicle on the OIS, which informed him that the vehicle was NOT OBD2 compliant and therefore sho... Login to read more.

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