Re: 92 integra starting problems
Simple enough to test...
Test the yellow/white lead at the PGM-FI Main Relay plug for power, from fuse 38-10A, [hot at all times] in engine bay fuse box.
If there is power on the yellow/white...
Unplug the PGM-FI Main Relay and use a jumper to connect the yellow/white with the yellow/black, there are two (2) yellow/blacks, one is fuel pump power the other is fuel injector power, one of them will turn on the fuel pump, the other will supply power to the fuel injectors, either way, if the fuel pump does not turn on, jumping to either one, the pump is bad.
If the pump does work, check the ground, [black] for the PGM-FI Main Relay and for switched power to the PGM-FI Main Relay, black/yellow, fuse 24-15A, [hot in run and start] in under dash fuse box and the blue/white, fuse 18-7.5A. [hot when cranking to start only] in under dash fuse box. 94
RIP Zack 2001-2013, my best friend.