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2012 Mercedes-Benz C250 1.8L Excessive Emissions, Misfire, Poor Fuel Economy, MIL Lamp on
car came in running,found fuel trims were at max.i used propane and found leaks around intake so I replaced intake gaskets and rechecked still seams that the propane will affect the fuel [...] wondering what I may be missing?no other leaks are [...] help w...
FIX posted 7/6/2019
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Related Documents & Media | VIN | WDDGJ4HB7C |
| Engine | 1.8 L / 4 cyl / GAS |
| Trans | 7-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Misfire, Poor Fuel Economy, MIL Lamp On |
| Occurs | Cold, Idle |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0303 | Cylinder 3 Misfire Detected |
| P0304 | Cylinder 4 Misfire Detected |
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Vehicle Data
2012 Mercedes-Benz C250
| VIN | WDDGJ4HB7C |
| Engine | 1.8 L / 4 cyl / GAS |
| Trans | 7-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Misfire, Poor Fuel Economy, MIL Lamp On |
| Occurs | Cold, Idle |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0303 | Cylinder 3 Misfire Detected |
| P0304 | Cylinder 4 Misfire Detected |
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