no spark for cyl 1 and 4
Could be the ignition control module. Little black box down on the side of the motor, on the timing belt side. I had one do the exact same thing and thats what it was.
The ICM could be a probable cause as well as a cam/crank sensor. Go to a junkyard and pocket the item or pay whichever you prefer for testing, but grab multiple ones.
Might be the power transistor, i know went out car was running on two cylinders. It tached half of what is was actualy doing. Little black thing on the side of the motor. Been a while since i messed with dsm's.
Either way, good luck with whatever you do find and post the results
hooked up a new camshaft position sensor(out of an 95 gst that was made on the timing belt side)all spark on all four cyl...but some reasan the car wont start up...have feul spitten and everything...btw i have an 98 gsx ecu if that might be an issue...but before then it ran good with it...





