Wiring second o2 sensor
#1
Wiring second o2 sensor
I have a 96 civic dx hatch with a b16a2. My ecu is p2p. I found this link http://ff-squad.com/wp/?p=395 explaining that I need to wire in the second sensor because the b series engines only come with 1. The pins that im supposed to wire the o2 sensor to already have wires in them. I guess this means I dont have a SI harness like I thought. I read that the second o2 sensor drops through a hole in the body near the rear of the car. Is there a way to get to this plug from inside the car?
#2
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Re: Wiring second o2 sensor
Why are you using a P2P with a B-series engine? Get a proper OBD1 ECU and adapter harness and you won't have to worry about the second O2 sensor.
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Re: Wiring second o2 sensor
It's not "better". It just makes sense that if you have an OBD1 engine that you should run an OBD1 ECU.
And the ECU you are using is for a single cam, not a double. You are probably running that engine lean as hell.
And the ECU you are using is for a single cam, not a double. You are probably running that engine lean as hell.
#5
Re: Wiring second o2 sensor
Does it matter which OBD1 ecu I use? Would something like this http://www.ebay.com/itm/Chipped-P28-ECU-OBD2-to-OBD1-Conversion-Harness-/171038557548?pt=Motors_Car_Truck_Parts_Accessories&hash=item27d2b1456c&vxp=mtr be best?
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Re: Wiring second o2 sensor
Your engine should already be OBD2. The only draw back to using the OBD1 ECU is that if you are in a place that emissions tests with the scanner you'll fail with the OBD1 ecu. If so find a 96-97 P30 ECU for plug and play or a 99-00 P2T and an OBD2B-A ECU adapter.
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