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^ Yes reset the ecu, after that monitor the Vf signal coming out of the ECU (it's at the diag box as well). This will at least tell you how hard the ecu is working to maintain stoich.

Code 31 relates to the sensor not the housing. You're maintaining the sensor and swapping housings, right? Did you clean the AFM? Try a new/different sensor, after that check the wiring from the connector all the way to the ecu. What did you set fuel pressure to with your AFPR? I'd also...

Here's his last group buy http://www.supramania.com/forums/showthread.php?209089-Ms3Pro-based-plug-and-play-for-89-92-Supra-with-7MGTE-and-1JZGTE-(JZA70)! https://www.facebook.com/permalink.php?story_fbid=429284480530020&id=393783020746833 I have one of his grey plug ecus, Love it. It mounts...

ARP's are 90 ft/lbs with ARP lube http://arpinstructions.com/instructions/203-4202.pdf

I have LED's all around also. I have this electronic flasher https://www.superbrightleds.com/moreinfo/flashers-load-resistors/cf13jl-02-led-bulb-electronic-flasher/783/837/

You got your power steering pumps backwards, GTE idle up ports point up, GE to the side.

Looks like you might have a short to ground on one of the door switches. With the doors closed, Look for ground on pin 5 connector 1D of junction block 1 (LH door switch) Here http://www.cygnusx1.net/Supra/Library/TEWD/MK3/manual.aspx?S=Main&P=16 Look for ground on pin 5 connector 7A of...

Do this: http://www.cygnusx1.net/Supra/Library/TSRM/MK3/manual.aspx?Section=AC&P=43 Thats what those three wires are for

Supra PN's Grey Plug Non-US http://www.cygnusx1.net/Supra/Library/EPC/291220/part.aspx?S=89661 Yellow Plug Non-US http://www.cygnusx1.net/Supra/Library/EPC/291210/part.aspx?S=89661

Connector "c" http://www.cygnusx1.net/Supra/Library/TEWD/MK3/manual.aspx?S=Main&P=48 http://www.cygnusx1.net/Supra/Library/TEWD/MK3/manual.aspx?S=Main&P=52

fixed

^Thanks! Harness Build, new wire(95% color/stripe match to OEM), terminals, 99% new connectors (original TPS Connector), sleeving and shrink. I put the injector resistors and noise filter in the harness. If anyone is interested, I documented my orginal 1991 Turbo Automatic Harness, it can...

Baseline dyno, 359/307, On wastegate spring ~10psi creeped to ~15psi. Very conservative timing and fuel to make sure I was safe, AFR actually dropped into the 10's up top. Power can only get better from here! https://www.youtube.com/watch?v=d6DWjyzTKXI

Have you gone through this yet? Doing this "should" give you a smoking gun. http://www.cygnusx1.net/Supra/Library/TSRM/MK3/manual.aspx?Section=BE&P=31

MS3pro

I'm setting up traction control and I need to know how many teeth are on the front hub. Anyone have a loose one you can count the teeth on for me? Thanks

Lol Running Boards, Tonneau Cover....really

^Correct! Just wanted to get you back OP- The large port is for FPU VSV, PS idle up and the BOV. You can sorta trace it in that link. The two nipples on the USDM TB are for EGR and EVAP.

http://www.cygnusx1.net/Supra/Library/EPC/291420/catalog.aspx?F=1708&P=3 The source is the big port next to the iacv

Does anyone have any input to the sheet? I put a better link in the OP