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Wideband Oxygen O2 Sensor WBO2

This category on the website [ Sensors and Wiring ] we are giving you all of the information related to the individual sensors in the Buick Turbo Regal, along with the associated wiring, connector plugs, etc.

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VEHICLE APPLICATION:

Buick Regal, T-Type, Turbo T, Limited, Grand National, GNX

SENSOR NAME:

wideband oxygen sensor

PURPOSE OF SENSOR:

gives a better reading for tuning than the factory O2 sensor does

TURNS ON-OFF / FUNCTIONS / USED WHEN:

in constant use while the engine is running

LOCATION IN VEHICLE:

in the downpipe, after the turbo.
at least 12″ (sometimes 24″) away from the turbo.

ORIGINAL GM PART NUMBER:

this item is/was NOT a factory installed part

SENSOR / BASE COLOR:

brass, other metal

CONNECTOR PLUG COLOR (SENSOR SIDE):

black (usually)

WIRES ATTACHED (SENSOR SIDE):

5 (usually)

CONNECTOR PLUG COLOR (HARNESS SIDE):

black (usually)

NUMBER OF WIRES ATTACHED (HARNESS SIDE):

5 (usually)

COLOR & PURPOSE OF (HARNESS SIDE) WIRES:

this varies depending on the brand you buy.
the instructions will tell you where to hook them all up at.

THINGS TO KNOW ABOUT THIS ITEM:

the sensor itself usually runs to a “controller” for it, then gets connected elsewhere (powerlogger, computer, etc.)

some chips (like turbotweak, as an example) can use the info from the wideband sensor to run the engine

OTHER NOTES:

we used an AEM wideband, but there’s many other systems out there (PLX, Innovate, etc)

[see our own wideband installation here, along with photos and how to]

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PHOTOS OF SENSOR AND CONNECTED WIRES:
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Innovate LC-2 Wideband O2 sensor

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Here’s a list of all of the sensors in the Buick Regal:
(you can click the links to go to the one you need info about, after they’re published)

* Air Temperature Intake Sensor (IAT; MAT; ATS)
* Camshaft Sensor (CAM)
* Coolant Temperature Sensor (CTS)
* Crank Sensor
* Knock Sensor
* Mass Air Flow Sensor (MAF)
* Manifold Air Pressure Sensor (MAP)
* Oxygen Sensor (O2, narrowband)
* Throttle Position Sensor (TPS)
* Turbo Boost Gage Sensor
* Twilight Sentinel Photo Cell Sensor
* Vehicle Speed Sensor
* Wideband Oxygen Sensor (WBO2)

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