Mercedes Benz C Class black smoke

2002 Mercedes Benz C Class Problem

Ref#19810
CarMercedes Benz C Class 220d
Year2002
Ownertints
Posted18/07/2016
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i have recently noticed that my car is emitting black smoke when i pull away from traffic lights or put my foot down it isn't a lot but i would like to remedy the cause
Problem Category
Engine, Cooling System & Drivetrain


Solution 1
Derbyshire | Driver | Since: Sep 2015 | Posts: 0 | Fixes: 147 | View Garage
Suggested Solution

When was the car last services. Is the air filter clean ? You could try some red x .


Posted on Monday 18th of July 2016
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Solution 2
whittingehame | Legend | Since: Oct 2009 | Posts: 444 | Fixes: 11116 | View Garage
Suggested Solution

Some possible causes of black smoke ,

This is due to a air to fuel ratio imbalance, either the fuel system is delivering too much fuel into the engine or there is not enough clean air (oxygen ) a few things to look for:
•Faulty injectors (injectors need attention at about 100.000 to 120 000 miles)
•Faulty injector pump
•Dirty air cleaner
•Turbocharger or intercooler faulty
•Problems within cylinder head, valves clogged up due to faulty EGR (exhaust gas recycling unit)


Posted on Monday 18th of July 2016
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