Add it yourself...
Smog Pump Rebuildhttp://www.ih8mud.com/tech/smogpump.php
Oxygen Sensor Replacementhttp://www.mr2garage.com/mr2-knowledgebase/oxygen+sensor+replacement.html
O2 SENSOR (4-Wire) REPLACEMENThttp://www.mr2mk1club.com/repairsp88.html
OXYGEN SENSOR REPLACEMENThttp://www.mr2mk1club.com/repairsp50.html
Drivetrain Repair Infohttp://shell.deru.com/~sgn1/AW11/Enginere.htm
MkII O2 Sensor Diagnosishttp://www.mr2.com/TEXT/MkII_O2_Sensor.html
Checking your O2 sensorhttp://www.imoc.co.uk/forums/kb.php?mode=article&k=33
fix your Toyota Sienna Oxygen Sensor Malfunction P0420 P04305 - Catalyst Not working.http://www.findonefindall.com/toyota-sienna/toyota_oxygen_sensor.htm
replace upstream oxygen or air/fuel sensors (1mz-fe)http://www.solaraguy.com/viewtopic.php?t=38603
Oxygen (02) Simulator Installationhttp://www.solaraguy.com/viewtopic.php?t=30312
Vacuum Hose Replacementhttp://www.cygnusx1.net/Supra/TechTips/vacuum_hose.aspx
Oxygen Sensor Test - Faqhttp://www.ttora.com/wiki/index.php/Oxygen_Sensor_Test
Fix Your EGR Pipe In Just 2 Hourshttp://us.lexusownersclub.com/forums/index.php?showtopic=5974
1995 Es300 Bank 1 Sensor 1 Oxygen Sensor Replacementhttp://us.lexusownersclub.com/forums/index.php?showtopic=32035
Oxygen Sensor Replacementhttp://www.clublexus.com/forums/showthread.php?t=141875
How to Inspect & Replace the Main Oxygen Sensorshttp://www.lexls.com/tutorials/EFI/mainoxygensensor.html
How to Replace the Sub Oxygen Sensorshttp://www.lexls.com/tutorials/EFI/suboxygensensor.html
install a cheap catch can into a Toyota Celica GT4 ST165 and ST185http://www.gtfours.co.uk/how_to/catch_can/catch_can.htm
Resetting your Air/Fuel Mixture Ratiohttp://www.6gc.net/howto/reset_your_air_fuel_ratio
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