2006 Mercedes-Benz E320 CDI 3.2L Excessive Emissions, Poor Idle Quality, MIL Lamp on
Vehicle runs ok on cold start as warms up will begin to knock, smoke and appears to run rich. Replaced fuel rail assembly per TSB and O2 sensor. Pressure is ok and O2 reads correct. Problem is still reoccurring. Will run ok and about 5-6 minutes of driving wit...
FIX posted 1/7/2015
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Vehicle Data2006 Mercedes-Benz E320 CDI
Trouble Codes
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Vehicle Data
2006 Mercedes-Benz E320 CDI
VIN | WDBUF26J36 |
Engine | 3.2 L / 6 cyl / DIESEL |
Trans | 5-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | Not OBD-II Compliant |
Symptoms | Excessive Emissions, Poor Idle Quality, MIL Lamp On |
Occurs | Hot |
Trouble Codes
2021 | Rail pressure monitoring via control valve is too low |
2047 | Rail pressure monitoring via control valve pressure too low |