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On first installation of a PFC, I use the Commander to;

1. check the water temp gauge calibration (where are 50/60/70/80 degrees on the gauge)

2. the boost gauge correlation (do they agree)

3. the alternator charging (battery voltage)

4. the throttle position sensor (am I getting 100% throttle when the pedal is to the metal)

5. the tacho correlation (do they agree)

6. the speedo correlation (do they agree)

7. the AFM cleanliness (is the voltage increase somewhat linear with rpm or does it jump all over the place)

8. check that the ignition timing is actually what it is running (using a timing light)

If I am tuning ignition timing, I run only knock display

Nice and large, very easy to see if changes in ignition timing (advance) cause knock

If I am tuning A/F ratios I run, injector duration and knock

Nice and large, very easy to see if changes in A/F ratios (leanness) causes knock and exactly how much injector timing I have left.

Generally I run AFM voltage, inlet air temp, injector duty and knock, as they are not covered by other gauges. Personally any more than 4 displays and I find it hard to read them while driving.

:( cheers :(

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