SOLVED: Supra Crank No Start

[Djaxle]

Hey guys, I got a 1991 Supra Turbo, it's got a lot of mods, but still on stock harness and ECU. It's a 2jzge, t70 turbo, lex AFM, 550cc injectors, and ffim. I tried cranking it after a full rebuild, and it would crank but not start. No fuel or spark. Looks like ECU is either not getting power, or putting out a signal. Check engine light does not illuminate.

I don't know if this matters but I have two ground wires. Both 2 gauge one from the block to chassis and one from transmission to chassis. Fuel injector ground is connected to the body, not intake manifold.

 

[585Soup]

It wouldn't hurt to test out that ground but I don't think it's going to make a difference for block or body. Both are grounds anyways.

 

[Djaxle]

How would I go about doing that?

 

[585Soup]

Change your ground points. Just move it from the body to another part of the bay. As long as the metal is bare and has a solid connection, it should ground out.

 

[Djaxle]

Thank you I'll try that tonight

 

[Djaxle]

SOLVED! Didnt realize there were 2 grounds under the intake. One with brown wires and one with white/black wires. Measured ECU pins E01 & E02 and had no continuity between those and ground. Found the grounds and bolted them to the frame. Check engine light illuminates!!