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o2 sensor wire location 86 fc rx7

Old 02-07-15, 09:38 PM
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o2 sensor wire location 86 fc rx7

Picked up an fc drove it home
3800+ hesitation when above part throttle, been tryin to adjust tps, checked all engines grounds
Now I want to make sure o2 sensor isn't a problem, they said it wouldn't start with it wired? Idk about that, its been flooding on me horribly(injector seal on the way will check injectors then)

Harness has been mangled, trying to find remnents of o2 wiring to hook this sensor up to

Seeing a wire on top of engine under manifold, by the ecu ground on top of motor branching from around those two ground wires, connected to nothing. Would that be it?

If not can someone give me an engine bay location? From the wiring diagrams I've seen this looks to be the wire.
Old 02-08-15, 09:40 AM
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Can you see the wire color or do a continuity test on the wire? The color should be Grey and the wire runs to pin 2D of the ECU.
Old 02-08-15, 01:35 PM
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2d thank you, just gonna run my own shielded wire from there, this harness is rough
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