Ok as the title states i have no reference voltage and to the best of my knowledge i should.
i have traced all wires up into the harness and none are damaged and seem to be in good shape. what could be causing this. The whole problem started when my car started running bad rich. I isolated it to the mass air. when i unplug it with the car idling nothing changes. and the car runs the same with it plugged up as it does when its unplugged.
I measured voltage from left to right starting at tyhe red wire.
First wire: 12v
second: ground
Third: nothing
Fourth: nothing
i have traced all wires up into the harness and none are damaged and seem to be in good shape. what could be causing this. The whole problem started when my car started running bad rich. I isolated it to the mass air. when i unplug it with the car idling nothing changes. and the car runs the same with it plugged up as it does when its unplugged.
I measured voltage from left to right starting at tyhe red wire.
First wire: 12v
second: ground
Third: nothing
Fourth: nothing