MSefi.com read only forum (Jan.15,2018)

The zener diode trick sounds promising. Ill give it a try tonight or tomorrow.

Thanks

I'm trying to use the Tach signal wire on my 97 GSXR to control a fuel only MS. The weird thing is the ignitor box shows 12v on the tach wire at 0rpm and seems to bring it low to pulse the tach. The thing is, it never seems to drop all the way to 0v and the MS won't pick it up. While cranking the ...

I'm finishing up my nissan rb25det build and have a question about wideband placement. I'm running an aftermarket turbo and manifold with an external wastegate. The wastegate is set up to dump to atmosphere. The main exhaust is routed through the exhaust system as normal. The wideband is on the ...

Thanks for the tip. I might just use the VB921 after all. That was the article I used to help configure mine, actually. At the bottom iirc it said "if anyone had any info on using the power transistor we'd love to hear about it," which initially caught my attention since it meant it might be ...

I've got a nissan 240sx with the KA24E engine. I'm looking at the wiring diagrams and I see it has a power transistor unit that fires the coil. It appears the power transistor uses a positive input then sends a ground to the coil itself. The FSM says that the ECU outputs 0.3v - 0.6 at idle and 1.2v ...