» Site Navigation | | » Recent Threads | | | Diff upgrade 01-15-2021 12:53 AM 01-15-2021 12:57 AM 1 Replies, 264 Views | | | | 1996 bmw 318ti 01-12-2021 02:35 AM 01-12-2021 02:35 AM 0 Replies, 479 Views | | | | |  |  |  | 12-08-2011, 05:51 PM | #1 | Member Join Date: Oct 2008 Location: Mass. Posts: 53 | S52 Swap, need help with fuel pressure and 3/2 valve Hey guys, recently put an s52 in my ti. Did not even realize that i needed to put the FPR on from the donor m3 so i sold it. Clamped return line and it ran amazing!!! then died after a bit. really dumb to clamp it for so long. installed m50 rail with fpr on it and now it starts and runs without needing to be clamped but HORRIBLY. will hold a 500rpm idle and if i feather the throttle i can get the revs up high but if i give it any consitant gas it will just die. car throws codes for 02 sensors and this 3/2 valve. I have no 3/2 valve because i used obd1 fuel rail and no fpr under the car. SO i have a connector under the car that goes to nothing and its supposed to go to the 3/2 valve. Does anyone have any experience with this????? Or this 3/2 valve. | | | 12-08-2011, 06:00 PM | #2 | Member Join Date: Oct 2008 Location: Mass. Posts: 53 | also running very rich. Plugs are black. Either my ECU is trying to get used to the new normal fuel pressure, needs time or a GT1. Or it has to do with no 3/2 valve and it not being plugged in | | |  | Currently Active Users Viewing This Thread: 1 (0 members and 1 guests) | | Thread Tools | | Display Modes | Linear Mode | Posting Rules | You may not post new threads You may not post replies You may not post attachments You may not edit your posts HTML code is Off | | | |
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