running 5 psi on built bottom end. RC 270cc injectors on SFMU with 3.62" disk, dark spring. Idle pressure is now turned down at 30psi (was set at 45ish without vaccum).

I checked my long term fuel, it was pegged at -24 to 25%. STFT is +/- 5%

I said WTF when I got a code 52...fuel system too rich.

Any ideas on this. Maybe 02 is going (got 60K on it), or maybe ECT sesnor?

45 psi at idle with no vacuum is too high. bring it down to say 38 psi and with vacuum set it to 38psi. you have to remember our cars dont have different pressure at full vacuum and "0". the EU believes pressure is 48-50 constant with 190 injectors. so bring it down a little try 38 with the 270cc injectors. You want to keep the mentaiity that the fuel systemis stock except that fuel gets added when boost raises. the ECU is programmed to compensate from -20psi to 0psi.

Terry

96 Eagle talon ESI
Star Stage II - Boost/oil/EGT gauges

97 Eclipse
Greddy header - Apexi N1 3" exhaust - SFMU/return line - Stage 2 6 puck Sprung hub MIBA clutch - Shortened shifter - Koni Yellows w/eibach prokit - Stillen Fr/Rr swaybars - ceramic intake - DEI Keyless entry alarm - Niche 17" Shoks

Waiting to be installed: Apexi AFC, HKS EVC IV, 450 Turbo injectors, GSX Front brakes (need rotors)

Mitchell on Demand copies available

I just retuned my fuel system yesterday. My LTFTs were -15 ish with 315cc injectors at 25 psi of fuel at idle. I've now decided that my fp gauge just sucks so I don't even care what the gauge says anymore. It doesn't even read any fuel pressure now, but my fuel trims are at 0 now :)


1996 Eclipse RS / 5-Speed / Aerogear Body / Coated in Magnetic Red Metallic rev.2 / T3 Turbo Intercooled @ 8 psi / More at http://home.insightbb.com/~eclipse2nr/
Mark Galyan - Indianapolis, Indiana