Add it yourself...
clean or replace Lexus SC400/LS400 PCV Valvehttp://www.lextreme.com/pcv.html
How to Check & Clean the EGR Vacuum Modulator Filterhttp://www.lexls.com/tutorials/emission/egrfilter.html
Change PCV valvehttp://www.lexusownersclub.co.uk/knowledge/index.php?page=index_v2&id=181&c=7
How to Replace the PCV Valvehttp://www.lexls.com/tutorials/emission/pcv_valve.html
How to Replace the Sub Oxygen Sensorshttp://www.lexls.com/tutorials/EFI/suboxygensensor.html
How to Inspect & Replace the Main Oxygen Sensorshttp://www.lexls.com/tutorials/EFI/mainoxygensensor.html
Change Pcv Valvehttp://us.lexusownersclub.com/forums/index.php?showtopic=14713
Fix Your EGR Pipe In Just 2 Hourshttp://us.lexusownersclub.com/forums/index.php?showtopic=5974
Tune Up My Car or Truck Information Car Repairhttp://www.2carpros.com/how_to/how_to_tune_up.htm
Vacuum 101http://www.ih8mud.com/tech/vacuum.php
remove an Oxygen sensorhttp://free-auto-repair-advice.blogspot.com/2007/07/how-to-remove-oxygen-sensor.html
GS430 Block Vs. LS400 Block (3UZ vs. 1UZ)http://www.lextreme.com/3uzblock.html
1uzfe Q&A, 1uzfe information and swaphttp://www.lextreme.com/1uzfe_info.html
GS430 Piston Vs. LS400 Piston (3UZ vs. 1UZ)http://www.lextreme.com/3uzpiston.html
Extracting Broken Bolts and Studshttp://www.dimebank.com/tech/BrokenBolt.html
Diagnostic Testing Procedureshttp://www.2carpros.com/dia/index.htm
Engine Bay Detailing & Restoration-A guide for the serious enthusiast on achieving perfectionhttp://www.buzzle.com/articles/engine-bay-detailing-restoration-guide-serio....g-perfection.html
Technical Service Bulletin and Recall Informationhttp://www.alldatadiy.com/recalls/index.html
Abbreviationshttp://www.gtfours.co.uk/what/abbrev/abbrev.htm
