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Discussion Starter #1
These graphs are not actual measurements,just my idea of what is going on.
The fuel pressure sensor voltage output is the only input data the "box" has to go on . Any other variations come from the "box" internal maps.

The red line is the maximum fuel pressure the sensor can read reliably.
The green line is my concept of the standard fuel pressure range.
The blue line is my concept of the minimum setting..ie some low rpm torque boost.
The gold line is my concept of the medium setting ie high low to mid range torque but not much extra power at higher rpm.
The purple line is my concept of maximum tuning box setting ie maximum torque and bhp throughout the rev range but limited by the cars built in maximum out of limits fuel pressure.
I visualise any intersection of the actual fuel pressure and the maximum pressure the sensor can read as generating an error.

This is how "I Think" these boxes work,thats all.
 

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