Engine - MIL ON/Multiple Misfire DTC's Set: Overview
L-SB-0087-08Rev1
September 2, 2008
MIL "ON" DTC P0300, P0301, P0302, P0303, P0304, P0305, or P0306
Service Category
Engine/Hybrid System
Section
Engine Control
Market
USA
Applicability
TSIB REVISION NOTICE
May 13, 2010 Rev1:
^ A step has been added at the end of the Repair Procedure requiring the completion of TSIB to complete the overall repair.
Any previous printed versions of this service bulletin should be discarded.
Introduction
Some 2006 model year GS 300 vehicles may exhibit a MIL "ON" condition with one or more of the following Diagnostic Trouble Codes (DTCs):
^ P0300 - Random Misfire Detected
^ P0301 - Cylinder 1 Misfire Detected
^ P0302 - Cylinder 2 Misfire Detected
^ P0303 - Cylinder 3 Misfire Detected
^ P0304 - Cylinder 4 Misfire Detected
^ P0305 - Cylinder 5 Misfire Detected
^ P0306 - Cylinder 6 Misfire Detected
The valve springs have been improved to prevent any of the above DTCs from occurring. Use the following repair procedures to address customer concerns.
Production Change Information
This TSIB applies to vehicles produced BEFORE the Production Change Effective VINs shown.
Warranty Information
APPLICABLE WARRANTY
^ This repair is covered under the Lexus Powertrain Warranty. This warranty is in effect for 72 months or 70,000 miles, whichever occurs first, from the vehicle's in-service date.
^ Warranty application is limited to occurrence of the specified condition described in this bulletin.
Parts Information
Required Tools & Equipment