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2003 Pontiac Bonneville SLE 3.8L MIL Lamp on
This Pontiac has a fuel trim reading of -13 long term fuel trim. Fuel pressure is normal with no leakdown and no leaking regulator. Fuel injectors flow test equally. Have installed known good O2 sensor and mass airflow sensor from similar vehicle with no chang...
FIX posted 2/23/2016
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14 Replies Received
14 Replies Received
Related Documents & Media | VIN | 1G2HY54KX3 |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
Message Closed
Vehicle Data
2003 Pontiac Bonneville SLE
| VIN | 1G2HY54KX3 |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
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