× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2001 Toyota Tacoma DLX 2.7L Which Cat Bad ?
Posted to Asian Driveability on 1/7/2009 8 Replies

Normally this is kind of cut and dried that there is a cat problem. I graph and monitor the front and back 02s and see the similarity of the graphs.I cant see the front on this vehicle because it is a california version and thus has an a/f mixture sensor in fr...

8 Replies Received (View Replies)

  Related Documents & Media  2001 Toyota Tacoma DLX

 
Message Closed w/FIX

car Vehicle Data

2001 Toyota Tacoma DLX

VIN 5TEWM72N61
Engine2.7 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI
EmissionsOBD-II Compliant
SymptomsWhich Cat Bad ?
OccursAlways

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)
Message Closed w/FIX

car Vehicle Data

2001 Toyota Tacoma DLX

VIN 5TEWM72N61
Engine2.7 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI
EmissionsOBD-II Compliant
SymptomsWhich Cat Bad ?
OccursAlways

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)