Emissions - Oxygen Sensor Design Update
ENGINEEG012-99
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
^ 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
Warranty Information
Applicable Warranty*:
This repair is covered under the Toyota Basic Warranty. This warranty is in effect for 36 months or 36,000 miles, whichever occurs first, from the vehicle's in-service date. Coverage is extended to 36 months or 50,000 miles, whichever occurs first, in the states of California and Massachusetts due to state emissions warranty legislation.
* Warranty application is limited to correction of a problem based upon a customer's complaint.