1998 MERCURY MYSTIQUE NOT RUNNING RIGHT

  • Tiny
  • Ronski
  • 1998 MERCURY MYSTIQUE
  • 90,000 MILES

I only seen 1 o2s for each manifold, P1131 bank 1.I think this is firewall side. When I called for the part, I was asked, up stream or down stream, the sensor had 2 white wires 1 black and 1 grey, I did my bench test with the black wire and I used the sensor end for ground volt-meter dc volts, did I do that right? Did this guy know what he was talking about, is there 2 o2s for each exhaust manifold, upstream and down stream because, I sure didn't see this. Will you also tell me how to do the bench test? Thanks a lot!

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Tuesday, April 3rd, 2012 AT 11:32 PM

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  • Tiny
  • Rasmataz
  • MEMBER

See below

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Tuesday, April 3rd, 2012 AT 11:36 PM

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