2nd Generation Specific 1986-1992 Discussion

ecu goin bad?

Old 09-13-2011, 05:34 PM
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Join Date: Jul 2004
Location: wisconsin
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long story short, my car has being developing a dead/1 rotor mis at random, happens mostly on light throttle and sometimes at idle, revs fine and accels fine through WOT. i scoped my injector signals at the ecu, and when the mis happens the front primary injector signal drops out completely, while the rear is operating fine. when i snap the throttle, the front injector starts working again.



the wiring is ok, as i tested and rewired the harness to fit in an FB chassis. 12v at all injector clips and >.1 ohm resistance from the clips to the ECU plug.



the ECU is an N326...



could my ECU have a bad injector driver? or is there some other sensory input to my ECU that i dont know of, that is making it drop the primary injector?
sgt.stinkfist is offline  
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