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We demand a 2JZ swap. :icon_bigg

Code 41 might explain your hesitation, but cause of bad warmup idle, that doesn't seem likely. You should confirm that the ISCV is working properly. Is the warm idle speed correct?

Lol

Just returning the favor. :icon_bigg

400 rpm. But it's true, injector duration is only temperature based below that, however both AFM freq and load are calculated after the second NE pulse is received and are used to drive the transition from cranking to light off. In any case, I assumed the OP was having trouble with...

Reset the codes and confirm they come back. Fix the lower numbers first, especially 31. Right now its in limp mode. No wonder you're having trouble with cold starts.

A lot of information and tools can be found on assembla.com http://www.assembla.com/spaces/7M_TCCS/documents Reader board, 7M ROMS and IDA files are here (suggest installing a Subversion client, but it is not required. http://subversion.assembla.com/svn/7M_TCCS/ There are also ROMS from the...

Any codes set by the ECU? Also, you note boost gauge never goes positive, are you saying there is no turbo boost, or you think the gauge is faulty?

fuel dampener

No Schrader valve on a 7M.

Toyota allows 1.6mm of wear down to 12.8mm dia, and mine were at 13.6mm, but even in spec it still looks scary.

The brushes were pretty near gone. More worrying, the brushes were riding in deep grooves. Is this normal, or are my slip rings fubar? Other than that, it seems to be okay, unless there is a temperature sensitive issue that I can't see.

Gary, it's on the bench now. Thanks for the pointers. I'll give it a thorough going over.

We have made a lot of progress in the last few months. On the fly tuning is now demonstrated without any hiccups. Its really coming down to getting the Toyotune GUI ready, and also getting the manufacturing of the boards sorted out. Stay tuned...

No, besides the 7M ECUs, we already have it running on a dual processor ECU for the 3S in an MR2, and a 4AGE. It will work with any Toyota ECU up to about 1999 (2JZ, 1Jz, 3S 4AGE, 3VZ, etc). The real bottleneck is understanding the software loaded into all these ECUs, because if you don't...

Check rest fuel pressure after running.

22 years old! Damn, I thought it was going to last forever like the light bulbs on this car. With a few exceptions, every light bulb on the car is original!

Thanks everyone. I thought this was going to be some intermittent nightmare, but sounds like it is a common symptom. It will stay parked until I get the new brushes installed.

This morning was cold for So Cal (4C) and the Supra had been sitting all weekend in the rain and wind. I started the car normally except that I happened to have the datalogger hooked up because I had added some new code I wrote over the weekend that I wanted to test. After a normal start, I...