
2002 Cadillac DeVille DHS 4.6L MIL Lamp on
this vicicle originally came in with mil light on, and po420 code stored. customer went and bought a walker converter, which we installed for him. a week later the mil light came on again and found same code present, had customer get converter warrantied and r...
FIX posted 11/24/2008
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Message Closed w/FIX
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VIN | 1G6KE54Y22 |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
420 | catalyst ineffiency |
Message Closed w/FIX
Vehicle Data
2002 Cadillac DeVille DHS
VIN | 1G6KE54Y22 |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
420 | catalyst ineffiency |