download Some customers may complain of excessive sulfur
odor on 2006 model year Tacoma vehicles equipped with the 1GR–FE (V6)
engine under the following conditions: S Stop and go driving S Heavy
acceleration In order to reduce the sulfur odor, new catalytic converter
assemblies have been made available. Follow the repair procedure to
replace the catalytic converter assemblies. NOTE: For more complete
understanding of the root cause, refer to TSB No. EG003–03, “Sulfur Odor
from Exhaust.” Repair Procedure Refer to the Technical Information
System (TIS): 2006 model year Tacoma Repair Manual: Exhaust: Exhaust
Pipe Assy (1GR–FE).