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I have MS3 with the MS3X board on my otherwise stock soarer V8 and I felt the same before installing it after reading everything, once it came to installing it though it was actually really easy and I use stock everything. I've just got a wideband O2 sensor to sort the fuelling out (the map I...

I'm about to get a wideband but can only afford one at the moment so on a stock soarer manifold is there a particular side I should put it on or does it not really matter? Cheers Robert

I'm having a similar problem with my '91 1UZFE, the cam sensor stops giving a signal below 600RPM and above 5-6000RPM when it gets warm which is ok while driving but means that if I turn off the engine (or it stalls) then I can't start it until it's cooled down (seems to take about 50mins with...

Yes! Sorry I haven't posted, I've been working so I haven't had time to experiment. The tables seem useful, one of them appears to indicate that 97 steps is fully open, the colours of the wires are different to what I have though so I'll need to look at the connector itself to see what colours...

Thanks for the help, I've sent an email. Once I find the correct setup specifically for the MS3 I'll post it up here. Robert

I've installed MS3 to my 1991 Soarer V8 (1UZFE) and just have the IAC and fuel pump to transfer control of. I've attempted to transfer the IAC but as there are 4 wires (excluding 12V) in the IAC and 4 wires from Megasquirt I'm left with 24 different combinations for them to connect in plus I'm...

Another update, there's no RPM signal during cranking so the MS isn't injecting or sparking and is currently starting using only the cold start injector!! Once I solve this problem it should start up and run with no problems. The MS is providing fuel now (once the engine is running any way) and...

Today I wired up the injectors to the MS and it started first time and ran nicely. Then I wired up the ignitors to spark A and spark B again and nothing so I wired them back to stock and still nothing!!!! I'm at work for the next two days too!! I think it's not injecting enough to start it and...

It should be the same including the Fuel pump and Fuel pump ECU as the pump has two speeds. As long as the fuel comes out it doesn't matter what tank you have. Robert

I had a go at transferring ignition control to the MS today with no luck. I connected Spark A (on the MS3X pigtail) to IGT and Spark B to IGT2, is that correct? It just turned over and didn't even try to start, I tried it with the cam signal connected to G2 then G1 with tooth #1 at 5deg BTDC...

I've been working a lot recently so haven't done a lot but I have gotten all the inputs sorted, just the outputs left. The standard system has a two speed fuel pump controlled by the Fuel Pump ECU, how have you connected this? I assume you just run it at 12V constantly and bypass the Fuel Pump...

I have the tune you uploaded in post 7 of this thread, my initial target is to just get it hooked up and running before I worry about perfecting the tune. I have the MS powered on ignition switched 12V and grounded through the earths at pins 79 and 80 of the stock ECU. The NE signal works great...

The Megasquirt arrived yesterday while I was at work and I've spent around 12 hours constructing it. I just have one or two questions before I move on to installing it in the car. Am I correct in thinking I don't need any pull-up resistors for the crank and cam VR sensors? There are about six...

Yeah, I plan on running the stock dual distributors using the stock igniters. Hopefully using your map as a base will make my install a lot more straight forward. Thanks for the help so far, I appreciate it. Robert

Thanks for the quick answers. I plan on using only the air temp sensor in the AFM but not the Karman Vortex flow sensor as I'll be using the MAP sensor as you recommend. I have the UZZ31 1991 Toyota Soarer which is fitted with climate control, it only turns on the heaters when the coolant...

It's amazing isn't it?! I have to run mine like this (failsafe mode) all the time at the moment as it misfires in normal mode. There is loads of extra torque at the bottom end and it spins the wheels so easily. I went on the motorway, floored it to 70 and at around 65 it started spinning the...

I'll be getting my ms3/x soon so this is very useful for me. Cheers I have a few questions you may be able to help me with. First was which cam sensor to use but it seems G2 is the answer to that one. I'm at work at the moment so I can't look at the map file yet but does it include the...

WOW!! How the hell did he survive that? That's why I spend as little time as possible driving near lorries. Robert

I also have the EFI 13 code which translates to RPM signal no.2 which is an issue with a cam sensor although mine measure as OK. To test you just check the resistance of each one, they should be between 950-1250 OHMs. It seems that various other problems can bring this error up. I'm currently...