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Tuner in Training
ZL1 fuel pump upgrade & commanding pressures
How can I set the commanded pressures for my 2012 2LT. i run nitrous and recently added a ZL1 fuel pump. While under WOT my fuel pressure readings go into the high 30 psi range. Was hoping the ZL! would fix this issue but no change was shown. How can I change the commanded pressures for the fuel pump module. I have HP Tuners Pro Suite.
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Tuner in Training
I can post a data log if someone can tell me how to attach it to my post please.
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Advanced Tuner
Where should your pressure be at ? mechanic not tuner yet i think its the insert image icon above when you reply to the post
Last edited by usc45cal; 11-09-2013 at 03:15 PM.
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Advanced Tuner
you have two pumps , the rear in tank is the supply , and the high pressure pump located near the engine ,its possible the front pump is taking a dump and or battery issues ,
jim
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Tuner in Training
My current engine mods and a 140 nitrous setup are taking everything that my current fuel system and supply but I need more to prevent lean topend conditions.
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