What's this connector dangling in the end of the engine?

Sidicer

Member
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Sidicer

Member
I traced back that the third pin in the connector goes to 51st pin on the ECM, speedster z22se has it listed as "pedal position sensor". Could it be that it somehow unplugged from so far? Or Other 51st pin is Heated Oxygen Sensor nr. 2
 

figo126

Senior Member
that's the rear oxygen sensor fits into a bracket on top of gearbox,,, don't know why its unplugged ????????????????
 
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