[Supras] O2 Sensor + 3 inch elbow

[Rockey Fox]

The turbo model utilizes a 3 wire O2 sensor. One wire is the O2 output and the other two power a heater in the sensor. Be careful when splicing the wiring that you get the wires spliced correctly into your harness or risk damage to the ECU like I did a couple of years back. Right now I'm running a 3-wire Bosch sensor without any apparent issues.

Semi-related question for all...Do I still need to leave the stock O2 in place if I install a wideband or is there a signal from a WB that will satisfy and work for the ECU? I'd prefer to use the current hole for the WB but will weld a new bung onto the down pipe if necessary.

Rockey 91T

----- Original Message ----
From: Martin Dubois <doobie_91 at hotmail.com>
To: supras at supras.com
Sent: Monday, June 11, 2007 1:17:40 PM
Subject: [Supras] O2 Sensor + 3 inch elbow

Hey guys, a quick question since I wasn't able to find the archives.. :P

 

I'm looking to change my O2 sensor since it's as old as the car itself, and
my gas mileage is fairly poor.  I found a generic O2 sensor on E-Bay for
about 30 bucks.  First of all, are the generic sensors anything I should put
faith in?  Or should I just go get raped by my local Toyota dealer?  It has
four wired on it.  Aren't the Supra's 3 wires?  Does this make a difference?
Sorry for the ignorant questions.  I'm just a "shadetree" mechanic ;)

 

2 nd, I'm also looking for a 3" turbo elbow with O2 sensor hole. Either used
or new, it's all good to me.  If anyone has one for sale, I'd be interested.
Shipping would be to J1J 4H9, Quebec, Canada.

 

Thanks in advance for the replies!

 

Marty

89T 

 

 

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