Bosch Auto Parts

Bosch Auto Parts
Wideband Oxygen Sensor

The most advanced ceramic technology

Key Features
Bosch Wideband Air/Fuel ratio sensors utilize a more sophisticated sensing element that enables them to produce a precise output in proportion to the air/fuel ratio. As a result, a wideband A/F sensor measures exhaust gas oxygen accurately from as rich as 9.0:1 to as lean as free air. The use of the Wideband A/F sensors is growing rapidly as original equipment in vehicles and in high-performance specialty markets.
Wideband A/F Sensor Signal Chart 
Technical Details

PDFBoschTips_faultyO2.pdf (1MB)

Bosch Tips - Detecting Oxygen Sensors Faults

PDFConnectSystem.pdf (573K)

Posi-Lock Connector System

PDFEmissions.pdf (529K)

Emissions Charts

PDFO2_TechInfo_Intervals.pdf (493K)

Recommended Check/Replace Intervals

PDFO2InstallGDWEB09.pdf (665K)

Installation Guide

PDFO2SensorFaces.pdf (550K)

Damaged Oxygen Sensors

PDFPlanarSensor.pdf (524K)

Planar Sensor Diagram

PDFThimble.pdf (529K)

Thimble Sensor Diagram

PDFwidebandsensor.pdf (564K)

Wideband Sensor Diagram


Download the Oxygen Sensor Consumer Brochure for additional information:


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Wideband A/F Oxygen Sensors


Wideband A/F Oxygen Sensors

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Doug Duchardt, vice president of development, and Jeff Andrews, director engine operations for Hendrick Motorsports answer common questions about electronic fuel injection, which the NASCAR Sprint Cup Series will utilize during the 2012 season.

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