timeing

[waldorf240]

hears the deal...with my car running i can pull out the plug to the coil on the #4 cyl and it does not change how it runs.....same with the injector...so i switched both the coil and the injector to see if it was one of them where the problem was.....still on cly #4 :bash:

the only thing i can fig is timeing is off and not getting fuel/spark at the right time. plz help.............o it a s13 blacktop