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Nutton, are you looking for the knock sensor or the main processor? I have several of each type from different ECUs.

Nice! I think the S G S are pad labels (G is usually used for ground). Looks like a wafer probable test port or process control monitor to me. Thank for confirming that the knock sensor is a Fujitsu part.

Yeah, 12 ton is not going to get those bushings out. I thought I broke the press the first time since it made such a loud bang.

I bought it because of CarPlay. I am a bit worried the flip screen will interfere with the center console though. I still have a few weeks to return it for the 6100NEX if it doesn't fit well. I wonder if a slot could be cut into the windshield washer dummy plug, although the location isn't...

This says for Toyota, but I don't think they had 25 year old Toyotas in mind.

Anyone installed permanently a USB connector in the dashboard. I have a AVIC-7100NEX that only has rear USB connectors, and I need to install the jack somewhere. Something like this might work, although it seems kind of big.

HKS provides those stickers when you buy their aftermarket exhaust. I have one in a drawer somewhere.

I pressed out and in new bushings for the rears. I do remember that it took a lot of force and the old ones released with a loud bang, but it was all done with a 40 ton press.

I've done the fronts and rear. The rears are easier as they have only one bolt per arm. Cut off the bolt head end between bushing and subframe, and then with the nut removed they can be wiggled out.

I found 1/32" (might have been 0.045") thick cutoff wheel worked better than a sawzall. After I removed my seized bushings I tried bashing them out on a concrete floor and was unsuccessful. Short of a 30 ton press, you will not get them out by force especially when they are on the car...

The EGR is a royal pain to replace, and trivial to test. The book says use a vac pump, but a piece of vinyl hose and you mouth will work just as well,. It does not take much vacuum to actuate a working EGR. Engine idling, apply vacuum to the valve and it should stall or run very rough. Takes...

There's no need to waste money on an OX sensor when its clearly in fuel control as it is. The slightly high HC measurement needs to be tackled after the ridiculously high NOX is taken care of. The EGR has three main parts, the EGR valve, the vacuum modulator, and the EGR VSV. After 25 years...

You need the exhaust and downpipe/elbow, plus some means to increase/control the boost. An electronic boost controller (Blitz, Apexi, etc.) is best because you can easily adjust to keep below fuel cut as you drive, but mechanical solutions also work. The intake in my opinion is less critical at...

Reynald is running 960cc injectors with his E85 setup, so yes we are running big injectors. It is a big help to have good injector calibration data, unless you have the patience to work out the parameters on your own. Injector Dynamics and Deatschwerks are the only companies that seem to have a...

Not much glory in being a beta tester. You have to put up with my mistakes that can crash the ecu when you try to adjust a variable. An LRIP run is in the works.

Load is a calculation, based on air flow, air temp, barometer, and rpm mainly. Its not a map, but is used as an index to many maps because it is so closely tied to fuel flow. The injector pulse duration calculation is directly based on this load variable as well. Load and rpm are the main...

There is at this point no difference between what we can do to the 7M ecu and a standalone, except that the code comes with a factory tune that was optimized only for the 7M. Anything and everything can be changed or modified. The caveat is that the whole thing is written in 8 bit assembly...

As you note there is no real point in installing the Lexus AFM and then running 440s as you will be fuel limited. However, fuel cut is manipulated in these ECUs such that it is about 24% higher than stock, so there is about the same improvement as with the original Lex/550 mod. This is just an...

I took the AFM calibration code from the Lexus ECU and compiled it into the Supra code. As a result, I am running the stock 440 injectors with the Lexus AFM and it behaves 100% like stock, you cannot tell the difference and the fuel trim is unchanged, as is the ignition timing. By doing...

Nice. It was known that the knock MCU was not the same architecture as the denso/toshiba MCU, but not much more than that has been made public. It would be nice if someone could figure out the pin functions for that chip, as it may be the same architecture as used for the auto trans MCU which...