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HP Tuners GM Gen 4 Training Part 41: Flex Fuel Tuning

HP Tuners GM Gen IV Training Course • 45m

Up Next in HP Tuners GM Gen IV Training Course

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    HP Tuners GM Gen 4 Training Part 42: O2 Switching Voltages walks you through how the o2 sensor switching voltages affect the closed-loop fuel correction within the Gen 4 ECMs. We explore how to properly dial in the switching voltages to get a desired AFR while in closed-loop operation.

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    HP Tuners GM Gen 4 Training Part 43: Proportional / Integral O2 Gains walks you through how the closed-loop correction is driven from PID gain factors. We discuss what changes to make to the proportional and integral gains when long tube headers are installed as well as reviewing a data log of w...

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