4 Runner Limited 2WD V6-3.4L (5VZ-FE) (1997)
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Oxygen Sensor: Technical Service Bulletins
Emissions - Oxygen Sensor Design Update
ENGINE
EG012-99
November 20, 1998
Title:
5VZ OXYGEN SENSOR IMPROVEMENT
Models:
'96 - '99 4Runner
Introduction
The design of the 5VZ Oxygen Sensor inner cover has been changed to reduce the possibility of moisture contacting the ceramic element.
Affected Vehicles
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1996-1999 model year 4Runners built before the VINs listed.
Repair Procedure
Please refer to the appropriate repair manual for diagnostic and installation information for the Oxygen Sensor.
Part Number Information
