mapper Posted December 20, 2014 Report Share Posted December 20, 2014 Hi I want to do a fuel pressure safe strategie on a LINK G4. What is the better option? to use a differential pressure sensor or a fuel pressure sensor? personally i like more the idea of a pressure sensor, because i can log effective pressure in rail. how i can set up a fuel pressure fail safe  on a G4?  Why i ask in G4+ forum: The new firmware 5.2 has the option to choose differen fuel referenc typs: MAP, FP Sensor, returnless For what is it, the FP Sensor and returnless type? whats the consept behind? can FP-Sensor in some kind be used for FP fuel safe? Quote Link to comment Share on other sites More sharing options...
Simon Posted December 21, 2014 Report Share Posted December 21, 2014 If you use a fuel pressure sender the ECU can work out the differential pressure. You can use a GP limit to set up a limit should the pressure drop to an unsafe level. In the new firmware the pressure input is use to help determine the injector flow. Quote Link to comment Share on other sites More sharing options...
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