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Yeah some basic metrology, especially of the IG, S, and L terminals, is all that's needed.

In diag mode the MIL will show code 51 when the gas pedal is slightly pressed and not when released. If it does the TPS is set close enough. Never time the engine without first doing this test or at least checking for codes. Fix the CPS wiring. It's a common problem although I never had it. I...

So you're sure but not sure. Got it. The 71 is not important but the 41 should be fixed...

That bit of confusion is common. Iirc the pins you want will be gold flashed. That said there isn't any combination of pins on a TPS that should measure zero ohms (or nearly so) at all times so something is goofy. Course, all this has zip to do with your starting problem.

Hmmm. I too find that odd. I've never had problems taking them out.

Didn't make sense to me either which is why I pointed it out. Perhaps you got the pins wrong. You wouldn't be the first. A jumper across the proper mating terminals on the harness side should cause fuel cut: http://www.cygnusx1.net/Supra/Library/TSRM/MK3/manual.aspx?Section=FI&P=125 Edit...

It's them diodes at work...

A few things to keep in mind: 1) Ignition timing can't be set unless IDL is low (tps contact closed). 2) The ISC system will not operate unless IDL is low. 3) If IDL remains low the engine will fuel cut at appx 1600 rpm.

It just never ends...

I flat out told him but he didn't listen. What can ya do?

^ This. As I suspected you installed a "one pass" cat. Don't surprised if you need another one soon.

He is lean but only a tad. You can tell by the O2 level. Not near enough to run NOx up like that. Has to be EGR or high temps. That's my story and I'm sticking with it :icon_razz

TEMS has four modes: 1) Anti-dive 2) Anti-squat 3) Anti-roll 4 High speed response How and when each operates can be gleaned from the troubleshooting portion of the service manual: http://www.cygnusx1.net/Supra/Library/TSRM/MK3/manual.aspx?S=FA&P=32 As for secrets the car...

Check the EGR. Looking at the last test I'm guessing that new cat was cheap...

Uh, I have rolls of this stuff lying around. PM me what you need.

Like most things it's in the book: http://www.cygnusx1.net/Supra/Library/TEWD/MK3/manual.aspx?S=Main&P=104 Connector N

I've no doubt there's a crap load of stuff wrong with your car but for a start you should put an air filter on it...

http://www.youtube.com/watch?v=JqhSFeP9siA :icon_bigg

I would have never guessed that.

Tried the manual? http://www.cygnusx1.net/Supra/Library/TSRM/MK3/manual.aspx?Section=BO&P=41 Music wire is a long established technique...