I've just replaced my engine (1G-GTE) with a Gen 3 Manual engine and are still using the auto Gen 2 wiring loom and ecu. When i start the car it runs for a few seconds and then dies. You can keep the engine going by giving it some gas but as soon as you stop it dies. I think it may be not runnnig any idle bypass at all? Anyone got any ideas or had this problem before, would appreciate any help.
Cheers