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The Terminator
Engine/Tuning
Fuel help -- eaton mach
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<blockquote data-quote="Mudd92" data-source="post: 10301152" data-attributes="member: 79785"><p>Ok, going to try to make this short as possible but Im looking for some advice. So within the last few days my car has started to sputter when I get into the throttle and i noticed that as soon as i get on the gas (to accel.. or have fun) the fuel pressure starts to drop very fast (like 20psi and lower) so i instatly stopped driving hard and just babied it because idling or EASY accel it will stay like normal around 40psi. </p><p></p><p>But i had forgot my Aeroforce guages will display pump duty wel I went into it and come to find out they are maxing out (95-100% all the time) And ive been popping code PO190. </p><p></p><p>I have already replaced the FRPS and fuel filter and it did nothing. </p><p></p><p>I am starting to think its an electrical problem somewhere and heres why, I noticed yesterday (again this started hapening about 3 days ago) that when i fired the car up first thing in the morning pump duty was about 45%, fp was perfect, but i gave it a little gas and it shot up to 90% duty and stayed there.</p><p></p><p>Well i was driving the car to the parts store to grab a fuel filter and i made a real slow sharp turn and i noticed my duty dropped to like 45% and I got on it about half throttle and it was perfect, pressure rasied a few psi like normal and it was great for about 15 seconds and then started screwing up again. </p><p></p><p>But i was on an empty road and if i weaved back in forth kinda hard / fast the duty was dropping into the 60s??? </p><p></p><p></p><p>Sorry if this is confusing, just looking for some help, im wondering if i should drop the tank and look for anything?</p><p></p><p></p><p>Also, the fuel system is stock cobra injectors, pprv delete, cobra tank, dual svt focus pumps.</p></blockquote><p></p>
[QUOTE="Mudd92, post: 10301152, member: 79785"] Ok, going to try to make this short as possible but Im looking for some advice. So within the last few days my car has started to sputter when I get into the throttle and i noticed that as soon as i get on the gas (to accel.. or have fun) the fuel pressure starts to drop very fast (like 20psi and lower) so i instatly stopped driving hard and just babied it because idling or EASY accel it will stay like normal around 40psi. But i had forgot my Aeroforce guages will display pump duty wel I went into it and come to find out they are maxing out (95-100% all the time) And ive been popping code PO190. I have already replaced the FRPS and fuel filter and it did nothing. I am starting to think its an electrical problem somewhere and heres why, I noticed yesterday (again this started hapening about 3 days ago) that when i fired the car up first thing in the morning pump duty was about 45%, fp was perfect, but i gave it a little gas and it shot up to 90% duty and stayed there. Well i was driving the car to the parts store to grab a fuel filter and i made a real slow sharp turn and i noticed my duty dropped to like 45% and I got on it about half throttle and it was perfect, pressure rasied a few psi like normal and it was great for about 15 seconds and then started screwing up again. But i was on an empty road and if i weaved back in forth kinda hard / fast the duty was dropping into the 60s??? Sorry if this is confusing, just looking for some help, im wondering if i should drop the tank and look for anything? Also, the fuel system is stock cobra injectors, pprv delete, cobra tank, dual svt focus pumps. [/QUOTE]
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Fuel help -- eaton mach
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