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  1. Diagnostics - Air, Fuel, Spark

    3.9L V6 Specific Topics
    Engines need a few things to run; air, fuel, and spark. But to run properly engines also need to have a good amount of control over these; timing, throttle position, crank position, emission, and pressure. Throw all those into a basket and you get your ECU reading all the sensors on the...
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