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Thread: Downstream O2 Sensor Wiring Reply to Thread
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Topic Review (Newest First)
03-12-2013 10:39 AM
nate4027 True, I think I will just replace it with an ORP. Thanks for the help!
03-11-2013 08:39 PM
BC_ZX3 It doesn't have to be an after market cat to need a MIL eliminator; a "dead" stock catalyst is expensive to replace. The MIL eliminator will simply fool the PCM (and any prospective car buyers) into thinking the catalyst is functioning normally by preventing a DTC code from being stored.
03-10-2013 07:07 PM
nate4027 Thats what I was thinking but I wasn't sure. I recently purchased the car and and trying to figure what has or has not been done to it. The funny thing is the car doesn't even have an aftermarket cat on it.
03-10-2013 05:54 PM
BC_ZX3 That looks like an after market rear O2 MIL eliminator to me. Similar to:
http://www.pumaspeed.co.uk/product-B...ta-Puma_71.jsp
03-10-2013 01:38 PM
nate4027 bump
03-09-2013 07:47 PM
nate4027 This is what I am talking about, any ideas?
11-19-2012 09:33 AM
nate4027 I will keep that in mind, thanks.
11-19-2012 01:34 AM
amc49 Screw how the factory does it, you know the wires should not touch axle through its' travel, simply restrain harness in some way so it doesn't. I redo the factory setup all the time if I see a problem to come, the clips they use break all the time and hard to find exact replacement. Extra tiedowns, extra harness loops, whatever you got lying around. I don't hesitate to drill a hole to slip a plastic wiretie through if I think harness needs more space from moving parts.
11-18-2012 06:34 PM
nate4027 I know what all the wires are, just find it odd how they are routed around in the engine bay. How hard do you think it would be to just install a whole new harness? I have some other issues with the current harness as well. Thanks for your advice.
11-18-2012 05:40 PM
BC_ZX3 A wiring diagram generally won't show you the physical wiring routing; it's just a schematic though there are some types of diagrams that show you where connectors, splices and switches are located in the chassis relative to certain "landmarks".

Do you need to know the wirig colours because the rubbing destroyed part of the harness? If not, securing the wiring with straps or clips in any position away fom the axle will suffice. I believe the axle interfering wih the O2 sensor and sensor wiring is not unknown in the SVT because of the location and shape of the catalyst.
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