TwinTurbo.NET: Nissan 300ZX forum - Quick Feedback about hardwiring the fuel pump
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Subject Quick Feedback about hardwiring the fuel pump
     
Posted by ttzcadet on October 20, 2008 at 9:00 PM
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Message For the interim I was going to hardwire the fuel pump (maybe put a fusible link in) to a switched power source in order to test if my controller or my pump is bad. I have a TT so I understand it is a 3 stage controller and was wondering what adverse effects this would cause. Currently I have an A/F that jumps around violently, a flat spot, and fuel pressure tapering off under boost after a couple boosts or a hotter day. I checked inside the lids of the controller and the box mounted on top of it. No melted components that I can tell but I'd like to find a culprit before I just replace everything. Are there better methods than the one I'm trying? Thanks for the info, I apologize if I missed this answer in search.

PS- I somewhat attribute the A/F jumping around to intake turbulence in the Doolz, haven't felt like destroying a couple flower pots yet though.

     
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