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2002 Pontiac Sunfire SE 2.2L MIL Lamp on
sunfire came from in with code 420 cat efficiency .I searched for related tsb's none found . I noticed front o2 sensor slow to respond on snap trottle test so replaced it. fuel pressure high .removed return line at regulator pressure still 72 lb [...] reg. no ...
Summary posted 1/8/2005
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Related Documents & Media | VIN | 1G2JB52432 |
| Engine | 2.2 L / 4 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 420 | cat efficiency |
Message Closed w/Summary
Vehicle Data
2002 Pontiac Sunfire SE
| VIN | 1G2JB52432 |
| Engine | 2.2 L / 4 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 420 | cat efficiency |
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