Emissions - MIL ON/DTC's P0441, P0442/P0446 Set
ENGINEEG003-03
Title
M.I.L. "ON" DTC P0441, P0442 AND/OR P0446
Models
'03 - '04 GX 470 & '04 RX 330
December 23, 2003
Introduction
Some 2003 and 2004 GX 470 and 2004 RX 330 vehicles may experience a M.I.L. "ON" condition with DTC P0441, P0442 and/or P0446 due to a sticking EVAP Purge Vacuum Switching Valve (VSV). The EVAP Purge VSV has been improved to correct the M.I.L. "ON" condition.
Applicable Vehicles
^ 2003 - 2004 model year GX 470 vehicles produced BEFORE the Production Change Effective VIN shown below.
^ 2004 model year RX 330 vehicles produced BEFORE the Production Change Effective VINs shown below.
Production Change Information
Parts Information
Warranty Information
Applicable Warranty * :
This repair is covered under the Lexus Comprehensive Warranty. This warranty is in effect for 48 months or 50,000 miles, whichever occurs first, from the vehicle's in-service date.
* Warranty application is limited to correction of a problem based upon a customer's specific complaint.
Required SSTs
NOTE:
Additional Diagnostic Tester Kits, Program Cards or SSTs may be ordered by calling SPX/OTC at 1-800-933-8335.
Repair Procedure
Refer the Technical Information System (TIS) and follow the applicable diagnostic procedure for the EVAP Purge VSV.
GX 470:
Refer to TIS: 2003 or 2004 Repair Manual: Diagnostics: SFI System 2UZ-FE:
P0441, P0442, P0446, P0456.
RX 330:
Refer to TIS: 2004 Repair Manual: Diagnostics: SFI System 3MZ-FE:
P0441, P0442, P0446, P0456.