Exhaust System - Excessive Sulfur Dioxide Odors
ENGINEEG035-05
AUGUST 23, 2005
Title:
EXCESSIVE SULFUR ODOR
Introduction
Some customers may complain of excessive sulfur odor on 2005 model year Corolla vehicles equipped with the 1ZZ-FE engine under the following conditions:
^ Stop and go driving.
^ Heavy acceleration.
In order to reduce the sulfur odor, a new front catalytic converter has been made available. Follow the repair procedure to replace the catalytic converter assembly.
NOTE:
For more complete understanding of the root cause, refer to TSB No. EG003-03, "Sulfur Odor from Exhaust."
Applicable Vehicles:
^ 2005 model year Corolla vehicles equipped with the 1ZZ-FE engine.
Parts Information
* NOTE:
The original part numbers (17410-22500 and 17410-0D340) are currently used in vehicle production and are still available as service parts. The repair part number (17410-0D400) should only be used when the customer complains of sulfur odor.
Replacement Procedure
Refer to the Technical Information System (TIS): 2005 model year Corolla Repair Manual: Exhaust: Exhaust Pipe Assy (1ZZ-FE).
Warranty Information