hey guys check this out if ur doin a OBDII swap

  • Thread starter Thread starter CRseX84
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)2 sensors send the signal from the readings they recive by analyzing the O2 in emmisions.. so basically, O2 sensors send the signals, and the ECU reads them... the lil box thing mimcs the signals of a properly working O2, and sends the signal to the ECU.
 
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