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The Terminator
Engine/Tuning
Need help figuring out newly installed FORE return system issue(s)
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<blockquote data-quote="cj428mach" data-source="post: 15674835" data-attributes="member: 142081"><p>Pressure drop across injectors will always show the same whether or not your in boost or at idle. Thats the nice thing about logging pressure drop across injectors is the FRPS takes boost/vacuum into account and will show your true base pressure. </p><p></p><p>In my opinion the easiest way to set the fuel pressure is to leave the car running and adjust the regulator until the pressure you see on your datalog is what you want it to be in the tune.</p><p></p><p>Make sure you're not pegging your injectors. I fought a lean condition that sometimes I'd see other times. I'd add fuel and it wouldn't help at all, I finally logged my injector duty cycle and the injectors were pegged. It would only show up sometimes because in shorter bursts, or lower loads it wouldn't show up as quickly as in higher gears. So out with the old ID1000's and in with the ID1300's and my problem was cured.</p></blockquote><p></p>
[QUOTE="cj428mach, post: 15674835, member: 142081"] Pressure drop across injectors will always show the same whether or not your in boost or at idle. Thats the nice thing about logging pressure drop across injectors is the FRPS takes boost/vacuum into account and will show your true base pressure. In my opinion the easiest way to set the fuel pressure is to leave the car running and adjust the regulator until the pressure you see on your datalog is what you want it to be in the tune. Make sure you're not pegging your injectors. I fought a lean condition that sometimes I'd see other times. I'd add fuel and it wouldn't help at all, I finally logged my injector duty cycle and the injectors were pegged. It would only show up sometimes because in shorter bursts, or lower loads it wouldn't show up as quickly as in higher gears. So out with the old ID1000's and in with the ID1300's and my problem was cured. [/QUOTE]
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Need help figuring out newly installed FORE return system issue(s)
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