Toyota Celica 2005 Repair Manual page 330

8 Check injector injection (See page SF−22).
OK
Replace heated oxygen sensor
(bank 1 sensor 1).
9 Perform confirmation driving pattern (See page DI−33).
HINT:
Clear all DTCs prior to performing the confirmation driving pattern.
Go
10 Is there DTC P0133 being output again?
NO
Replace heated oxygen sensor
(bank 1 sensor 1).
2005 CELICA (RM1131U)
DIAGNOSTICS − ENGINE (1ZZ−FE)
NG Replace injector.
YES Check for intermittent problems
(See page DI−3).
329
DI−131