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I would also do a compression check or better yet a cylinder leak down test to make sure there is nothing mechanical going on that could result in an imbalance in cylinder combustion efficiency. The plugs are reasonably fresh I presume? Also, the injectors need to be in good shape with uniform...

25/26 on together is not a mixture trim issue, it is instead when a variation in idle rpm (at the cylinder level) is detected that exceeds a threshold value when at idle in closed loop fuel control. It is an early attempt at a P0300 type fault code back when OBD2 did not yet exist. It is not...

We have received (dis)honorable mention in the IMOK mudfest. http://www.imoc.co.uk/forums/viewtopic.php?t=75023&postdays=0&postorder=asc&start=480 Thanks for your patience. Last night the board was working reliably. There is light at the end of the tunnel.

There are still a few left I believe. http://www.supramania.com/forums/showthread.php?109465-Bolt-in-6.5-quot-front-door-speaker-pods

This has been covered many time before. The tundra radios up to 2003 work just fine, they are the exact same radio as the Camry posted by the OP. You can also interface to the original Supra amp under the seat if you buy an external amp radio as discussed here...

Many years ago I remember people scrambling to get the last few TDSE kits left. I would be shocked if they had found some more since then. The enhancement was a remote fob integrated with the factory alarm.

to me it looks like R6104

I loaded this code into IDA and it looks like typical ECU code form Toyota. Without knowing how the sensors and such are mapped to the MCU ports on a 1J ECU, it is hard to proceed further. The data file you sent is a little weird in that it has 32770 bytes of data, but the first 20482 bytes are...

Yeah, me too! This project is being worked pretty hard, but has been slow going. If its any consolation, it works some of the time, but that's not good enough to make it usable in the field, and tracking down the problem has been very tough. ---------- Post added at 04:36 PM ----------...

I'm with IJ. I had a differential leak that would not go away (I replaced the seal 3 times) until I moved the seal location relative to the halfshaft. The groove was barely detectable but it was enough to cause a leak.

Eat My Dust

Very nice build. What intercooler piping kit are you using?

So your poor warm starts problem remains, and is not the FPU VSV?

NE is clocked on the rising edge at the MCU, but I can't remember if there is an inverter in the signal conditioning amps between the CPS and MCU. G1 and G2 are asynchronously latched, and checked at each NE event.

Typically the resistance strip is scalloped with about 8 steps in the full range, with shunt resistors used to tailor the resistance for each segment, so the rate of change (second derivative) varies with position, but the resistance must be monotonic (first derivative>0) . This photo shows the...

You are reading too much into a translation from Japanese to English. What they mean is that the resistance varies smoothly (like a wave) through the range of motion of the flap. Rest assured that it is supposed to be monotonic, otherwise it would be useless as an AFM. THA, discussed on page...

If its like the 7MGE ECU, then the AFM and NE signals are used to compute VE. There are a few correction tables based on coolant and air temp, as well as battery voltage. Given the way the AFM operates, the voltage returned is linearly proportional to the resistance. The voltage cannot be...

I think you already found your problem. The AFM is bad in post #1, then post #6 is good. I would suggest it is intermittent. Try putting it in a freezer for an hour then remeasure before it heats up.

Is the point of doing this that the Sienna shoes are cheaper, or is it that the Supra shoes are getting hard to find (discontinued?).

I see that for 92 the exterior color black is not called mica ruby pearl. Was it changed from earlier years?