why would a 1986 mercedes 560sl be blowing black smoke out the tail pipe

Asked by Nov 20, 2014 at 10:35 AM about the 1986 Mercedes-Benz SL-Class 560SL

Question type: Maintenance & Repair

what would cause the car toblow black smoke out the tail pipe

3 Answers

69,695

Black smoke is usually fuel overload,gray is oil,white is water,your car is loading up on fuel,this can be caused by bad 02, sensor,s or catylac converter clogged,

Thanks T_S_T the guy thats working on it says he doesnt think its the catlac converter,he changed the fuel injector,had prob with it...we will see after its changed

i have 1986 560sl car start fine but when i go for a drive it dosnt have power and lot black smog caming tru tail pipe i already replace //new fuel injectors / fuel pump / all injectors seal /all vacuum hoses/ fuel presure regulator /oxigen sensors /fuul tunaup/ but styill running bad but when is idlin loock like is fine is not chaiking i realy dont know any help will be tank fuul

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