Which should I believe, Power FC or AVC-R
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Joined: Feb 2003
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From: Atlanta, GA
Which should I believe, Power FC or AVC-R
Well the boost readings vary between the two. The Power FC I believe just plugs up to the map sensor and the AVC-R has its own pressure sensor that is T'ed with my boost gauge, going to one of the nipples on the UIM. So which one should I believe?
The PFC Commander has a known display error for boost. It will display a value lower than the correct one. The PFC still does the correct map look-up for the fuel/timing cells, it just displays wrong.
PFC displays absolute pressure. Altitude, temperature, and weather will affect the displayed values. Boost gauges display gage pressure. There lies a majority of the difference you may see between the two.
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