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Posts Tagged: How to use an OBDII scan tool

How to use an OBDII scan tool — Live Data

How to use an OBDII scan tool — Live Data How to understand live data from your OBD II scan tool Using the live data feature on your scan tool is analogous to a doctor reading an EKG or seeing lab results. It tells you what’s going on behind the scenes and helps you spot data that’s outside normal limits. Start with the most important data — Fuel Trims What are Fuel Trims? Every vehicle is programmed at the factory to calculate air/fuel mixtures so the engine complies with EPA … Read More


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