patrick may Posted January 16, 2011 Report Share Posted January 16, 2011 hi im having problems with setting up my fuelling i want my primary fuel pump to prime first then my secondary fuel pump to prime after is this possible? its also just priming the primary one at the moment iv set it us for two aux drives would this be why? it just doesn't prime the secondary one. Quote Link to comment Share on other sites More sharing options...
Cameron Moore Posted January 17, 2011 Report Share Posted January 17, 2011 Hi Patrick, The ECU will only use the last fuel pump option it sees, eg If Aux 1 and Aux 8 are set to Fuel pump, only Aux 8 will operate as a Fuel pump. I think you have 2 options, 1. Run both Fuel pumps off the same drive (relay), or use a second relay if the one can't handle 2 fuel pumps. 2. Set your secondary pump to FP Speed (sadly this will not prime), if you set this to a low rpm and low %FF it could even turn on during cranking. Hope that helps, -Cameron Quote Link to comment Share on other sites More sharing options...
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