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2004 Mercedes-Benz C230 Kompressor 1.8L Excessive Emissions
To all Techs, This C230 has a code P0172 (rich, B1). The exhaust reading confirmed a rich mixture with a reading of 3% CO at idle and cruise. I back probe the Air Fuel Ratio Sensor Pump wire (red) and notice 2.1 volt under low, medium and heavy load condition....
FIX posted 9/4/2015
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Message Closed w/FIX
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Related Documents & Media | VIN | WDBRF40J04 |
| Engine | 1.8 L / 4 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions |
| Occurs | Always |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
Message Closed w/FIX
Vehicle Data
2004 Mercedes-Benz C230 Kompressor
| VIN | WDBRF40J04 |
| Engine | 1.8 L / 4 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions |
| Occurs | Always |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
Video