
2003 Toyota Tundra Limited 4.7L MIL Lamp on
Almost every time I see these codes on a vehicle it ends up needing new cats. A few times I've seen a TSB indicating an ECM update that changes the effeciency threshold. This truck has no such TSB's. There are no codes to indicate a fault with the O2 sensors t...
FIX posted 4/20/2007
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Message Closed w/FIX
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VIN | 5TBBT48163 |
Engine | 4.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Not Applicable |
Misc. | Trd |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
P0430 | Catalyst Efficiency Below Threshold (Bank 2) |
Message Closed w/FIX
Vehicle Data
2003 Toyota Tundra Limited
VIN | 5TBBT48163 |
Engine | 4.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Not Applicable |
Misc. | Trd |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
P0430 | Catalyst Efficiency Below Threshold (Bank 2) |