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1998 Oldsmobile Achieva S 3.1L MIL Lamp on
car came into shop with check engine light on. scan system (code po420). monitored hs01 & hso2. both sensors cycled the same as if converter was not working. customer had converter repalced as per our diagnoses. local muffler shop installed aftermarket convert...
FIX posted 2/28/2003
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Message Closed w/FIX
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7 Replies Received
7 Replies Received
Related Documents & Media | VIN | 1G3NL52M4W |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/FIX
Vehicle Data
1998 Oldsmobile Achieva S
| VIN | 1G3NL52M4W |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
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