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Message: <blockquote data-quote="stang4u2nv" data-source="post: 876065" data-attributes="member: 9793"><p>ok guys i just bought a 1990 gt hatchback with 48xxx miles...car is pristine except for the botched up job they did with the fuel pump. anyways the symptoms are simple they fuel pressure would drop immediately if revved quickly even standing still. needless to say i can't rev the car past 1500rpms or the fuel rail would drain quick enough to stall... so today i replaced the fuel pump with a bosch unit brand new, new strainer and fuel filter. i wired everything like OEM. i have done this procedure a few times already and never a single issue. well i start up the car and it definitely runs better...however it still bogs down...i put a pressure gauge on there and the same thing happens it losses all the pressure on the gauge but when i stop revving it it would come back to idle normally... another curious thing is that if im driving it at light throttle and it starts bogging i can switch off the ignition and turn it back on quickly and it would gain some pressure....anyways i'm gonna start checking the voltage at the pump and work my way up....what do you guys think? bad replacement pump?, bad regulator? (highly doubt it)...i don't know what else to do.... thanks in advance...btw i know this is a 94-95 forum but they are almost the same so i thought i would ask and go from there...</p></blockquote><p></p>