what is the ECM on a 1993 Nissan for?

JR1

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May 19, 2008
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My # 3 injector is not working and someone said the ground in the ECM relay is theproblem
 
It's the engine management computer that runs things. Now, in '93, the computers weren't the fire-breathing monsters we have to contend with now, but they were basically just large computerized ignition modules. i have no idea how Nissan ran their computers then, so I can't help any further. Good luck ...
 
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