HOW MANY HO2S DOES HAVE, I FOUND BANK 1 AND BANK 2, SENSORS THEY HAVE 2 WHITE WIRES, 1 BLACK AND 1 GREY. I GOT A P1131 BANK 1, I DID A BENCH TEST USING THE BLACK WIRE AND THE SENSOR FOR GROUND AND HEATED IT UP, SET VOLTMETER ON DC VO
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!
April 3, 2012.
April 3, 2012.
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