so heres the short story, did a ls swap in an eg, im getting fuel out of fuel rail, im getting spark, when i pull the rail and hold the injectors they dont spray fuel..

ive read the manual ive checked the main relay, the dizzy, the wiring seems fine, fuses are good... im stumped ive tried working parts from running cars, no luck.

 

one other note, the car starts up with starting spray.

 

same problem on my car... 92 prelude si. converted to f22a1. spark and fuel at fuel rail but injectors not squirting. tried starter fluid, back fired a couple times but never ran. any ideas?

 

Check for power at the injector plugs, [wire that is the same color on all 4 injector plugs].

Power for the injectors is supplied by the PGM-FI Main Relay, [injector relay], the ground pulse is supplied by the ECU/ECM/PCM, [wire that is a diff. color at each plug] if there is no power the injectors will not "fire", also if the output, [12V+] from the injector relay is not getting to the ECU/ECM/PCM there will be no ground pulse to "fire" the injectors, check for both power and ground at the injectors. 94

 

I would take a injector clip and grab a test light. Hook the test light to the bat ground and see if you have power on the 12v power side of the injector wiring on all 4 injectors. Do not try to push the probe into the connector as you might damage it.

If you do place the test light on the bat pos and place the probe on the ground side of your injectors and have someone crank the engine. If your test light flashes then the ground side at the ecu work.

If either side malfuntion you know where to start looking for problems