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OMG Wire Wierdness....

Discussion in 'ECU's, Electronics, and Tuning' started by nofxSOHCcrx, Apr 27, 2009.

  1. nofxSOHCcrx

    nofxSOHCcrx New Member

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    Some Help Please. I was having an O2 sensor problem where the code was showing, but no CEL. And the O2 is brand new. I started looking at the wire harness and came upon this:
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    There is a grey uncovered wire coming from the O2 sensor wire, into a black and red wire, another wire from the red and black into a set of wires. Are these wires possibly grounds? I'm stumped on this, and wondering if this was done for a reason? Any help is appreciated. I believe the Harness is SI considering the engine is sohc non vtec ZC, and a pm6 ecu.
     
  2. MthaFuknGreen

    MthaFuknGreen Green on the scene.

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    have you tried resetting the ecu?
    and the cel goes off after a while, but the ecu will still store the code.
     
  3. 89' Project Civic

    89' Project Civic d16a6/d16y8 "mini-me"

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    Is it a 4-wire O2 or a 1-wire ?
     
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