2003 Toyota Celica GT 1.8L MIL Lamp on
Catalytic converter assembly was replaced due to code [...] vehicle was brought to us with the mil on again. The same code is present. The customer was unable to provide any info as to how the cat was tested and condemned. There is approximately 900 miles on n...
FIX posted 6/6/2006
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Message Closed w/FIX
Vehicle Data2003 Toyota Celica GT
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2003 Toyota Celica GT
VIN | JTDDR32T63 |
Engine | 1.8 L / 4 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Misc. | 1Zz-Fe Engine |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |