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Toyota 1KD Common Rail pressure scaling vs Voltage.

Diesel Tuning Fundamentals

Discussion and questions related to the course Diesel Tuning Fundamentals


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Does anyone have data of the common rail pressure scaling for the toyota 1KD engine. I need to know the upper voltage vs pressure. I have seen some Thailand tuners target 4.5v -4.7v for common rail pressure. Im not sure if motec have the voltage scale.

All I can tell you is that the the translation table in the M1 package has a pressure of 0 kPa at 1.35 volts and 194000 kPa at 4.500 volts. I'll assume MoTeC have actually confirmed that calibration as correct.

Thank you Andre.