Thread: Regrounding the O2 Sensor

Nope, its both...

We have a rainbow of wire colors on the Actual O2 sensors.
With the Universal 15727 O2 sensor, you will be using the Connector Plug from your old sensor.
The wire colors on that old sensor can be one of multiple combinations... And probably will not match the new sensor wires.
Thus, we use wire position rather than wire color to determine signal & heater wires on your old plug.

Got mine from Rock Auto, thats the place to go

x2 on RockAuto, great place for parts in general.

and it seems to be working well on my VE.

I finally got around to ordering the Bosch 15727 sensor and.. it's too long.

With the OEM 3-wire sensor on my B13, I have about 10mm clearance between the sensor housing and the fan blades, and about half of that is taken up by the wires coming out of the bottom in a tight bend sideways toward the plug. The Bosch is 10mm longer than the stocker, plus the thicker wires need another 10mm to make the bend towards the plug while clearing the fan.

Just did this, got around to finally hooking the ground up right and seems like the car feels a lot smoother.

ok i posted it on nipponpower...( Sensor 02 en GSR - www.NipponPower.com.mx ) but that's in spanish and since im lazy i'll just share it here in a more simple manner ... made a little diagram in paint (ftw) also i'll attatch it probably someone can use it... here we go:



i used the bosch pt number 15729 wich according to the people at the place i bought it is the same as the 15727 except with no connector besides its the only one i could find in my city....

Sounds like you are still trying to use OEM fans. The 15727 are the same size as OEM sensor (unless you bought Ebay ones).
You need to purchase slim fans and you will be fine. Plus they move more air.

The OEM sensor came from the dealer, and the Bosch from RockAuto. 15727 is a centimeter longer than the OEM, basically that last piece on the bottom where the wires come out.

OEM on the left, Bosch 15727 on the right


Slimline fans it is.

Front page updated with the wire diagram.

damn you vadim... that diagram's nicer than mine... gotta work on my paint skills :s... props tu you bro!!!....