Engine Controls - MIL ON/DTC's P0171/P0174/P02195/P02197
ENGINEEG020-05
Title:
M.I.L. "ON" DTC P0171, P0174, P2195, OR P2197
Models
'06 GS 300
November 17, 2005
Introduction
Under certain driving conditions, some 2006 model year GS 300 vehicles may exhibit a M.I.L. "ON" condition with at least one of the following DTCs:
^ P0171 (System Too Lean [Bank 1])
^ P0174 (System Too Lean [Bank 2])
^ P2195 (Oxygen [A/F] Sensor Signal Stuck Lean [Bank 1, Sensor 1])
^ P2197 (Oxygen [A/F] Sensor Signal Stuck Lean [Bank 2, Sensor 1])
The Air Fuel (A/F) sensor manufacturing process has been improved to correct this condition. The following repair procedures should be used to properly diagnose and repair the affected vehicles.
Applicable Vehicles
^ 2006 model year GS 300 vehicles produced BEFORE the Production Change Effective VINs shown below.
Production Change Information
Parts Information
Warranty Information
Required SSTs
Repair Procedure
DTC P0171 or P0174
Refer to the Technical Information System (TIS), 2006 model year GS 300 Repair Manual: 3GR-FSE Engine Control System: SFI System: P0171, P0174.
NOTE:
Only replace the A/F sensor indicated by the M.I.L. "ON" DTC(s).
DTC P2195 or P2197
Refer to TIS, 2006 model year GS 300 Repair Manual: 3GR-FSE Engine Control System: SFI System: P2195, P2197.
NOTE:
Only replace the A/F sensor indicated by the M.I.L. "ON" DTC(s).