volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Oxygen Sensor|Specifications > < Engine Controls - Silicone Sealer/Lubricant Precautions|Page 874
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Oxygen Sensor: Technical Service Bulletins
Post Oxygen Sensor - New Part Identifier

Number: V 97-04

Date: 3/2/1997

Subject: 
New Part Identifier for the Post Oxygen Sensor

Effective immediately, the following new Part Identifier for the Post Oxygen Sensor should be utilized for all vehicles equipped with the OBD II engine
management system.

There are two oxygen sensors on all vehicles equipped with the OBD II system. The post oxygen sensor (after the converter), and the pre-oxygen sensor
(prior to the converter).

Post Oxygen Sensor:

PI 2473

Pre Oxygen Sensor:

PI 2469

It is of utmost importance that the correct Part Identifier be used when submitting warranty claims for these components.

Oxygen Sensor|Specifications > < Engine Controls - Silicone Sealer/Lubricant Precautions|Page 874