× 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
2003 Toyota Tundra SR5 4.7L MIL Lamp on
Posted to Asian Driveability on 7/10/2018 12 Replies

Hi guys, I'm have a little trouble with this Toyota. It is setting a P0420 and P0442 codes. We are focusing on the cat code right now, the cat was replaced 50k miles ago with a Magnaflow cat and now the codes have returned. I know the aftermarket cats don'...

12 Replies Received (View Replies)

  Related Documents & Media  2003 Toyota Tundra SR5

 
Message Closed w/Summary

car Vehicle Data

2003 Toyota Tundra SR5

VIN 5TBBT44133
Engine4.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)
P0442EVAP System Small Leak Detected
Message Closed w/Summary

car Vehicle Data

2003 Toyota Tundra SR5

VIN 5TBBT44133
Engine4.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)
P0442EVAP System Small Leak Detected