a98pmalcolm Posted April 7, 2015 Share Posted April 7, 2015 Hay all been googling and cant find anything. I'm looking to see if theres a fuel/fuel pump replay. I noticed taking the EFI fuses out of the engine bay fuse box the fuel pump doesnt prime. I noticed there's EFI relays also. Do they control the fuelling? Thanks Paul Quote Link to comment Share on other sites More sharing options...
mellonman Posted April 7, 2015 Share Posted April 7, 2015 Theres the fuel pump ecu in the rear quarter ,which can give issues when runing a larger fuel pump , which then alot of people use the 12v mod and relay Quote Link to comment Share on other sites More sharing options...
a98pmalcolm Posted April 7, 2015 Author Share Posted April 7, 2015 (edited) Theres the fuel pump ecu in the rear quarter ,which can give issues when runing a larger fuel pump , which then alot of people use the 12v mod and relay What is the 12v mod relay? lol Edit. Just reading this and its saying its not a great idea http://www.supraforums.com.au/forum/topic/27751-new-and-improved-12v-fuel-pump-mod/ Edited April 7, 2015 by a98pmalcolm (see edit history) Quote Link to comment Share on other sites More sharing options...
mellonman Posted April 7, 2015 Share Posted April 7, 2015 its where you bypass the stock fuel pump ecu to give the fuel pump a constant 12v feed but still retaining the ecu signal to cut fuel by adding a relay Quote Link to comment Share on other sites More sharing options...
a98pmalcolm Posted April 7, 2015 Author Share Posted April 7, 2015 So there isnt any type of fuel relay? Quote Link to comment Share on other sites More sharing options...
mellonman Posted April 8, 2015 Share Posted April 8, 2015 well there is if you have done this mod Quote Link to comment Share on other sites More sharing options...
a98pmalcolm Posted April 8, 2015 Author Share Posted April 8, 2015 well there is if you have done this mod Ah ok. Thanks for thr reply buddy. I read somewere regarding an efi 2 relay... Quote Link to comment Share on other sites More sharing options...
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