How do you replace fuel injectors on 1986 Toyota MR2?

To replace the fuel injectors on a 1986 Toyota MR2, start by disconnecting the negative battery terminal and relieving fuel pressure by removing the fuel pump fuse and starting the engine until it stalls. Next, remove the intake manifold to access the injectors, disconnect the fuel rail, and carefully extract the old injectors. Install the new injectors with new O-rings, reattach the fuel rail, and reinstall the intake manifold. Finally, reconnect the battery and check for leaks before starting the engine.