2002 Pontiac Grand Prix SE 3.1L MIL Lamp on
Customer stated that MIL light is on and steady. Ran diagnostic reader and code of P0420 reported. Would there be anything logical that is causing the CAT to burn up? Is there anything else that I should look at besides the CAT itself?
FIX posted 4/15/2009
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Vehicle Data2002 Pontiac Grand Prix SE
Trouble Codes
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Vehicle Data
2002 Pontiac Grand Prix SE
VIN | 1G2WK52J42 |
Engine | 3.1 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Steady MIL Light |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |