
2000 Toyota Sienna CE 3.0L MIL Lamp on
can not get rid of code po420 kees coming back catylast below effciency replaced o2 sensors and coverta from engine to muffler all o2 sensors c/o in parameters i do not have a way to check the waves
FIX posted 9/4/2009
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)16 Replies Received(Hide Replies)16 Replies Received
|
Message Closed w/FIX
|
VIN | [No VIN Available] |
Engine | 3.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Misc. | Mini Van |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/FIX
Vehicle Data
2000 Toyota Sienna CE
VIN | [No VIN Available] |
Engine | 3.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Misc. | Mini Van |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |