<s>[INST] How do i fix my car [/INST] This is a broad question which may have different answers depending on what is wrong with the car. Could you tell me about what issues you are seeing?</s>\ <s>[INST] lots of black smoke is coming out of the exhaust [/INST] I see, are there any other symptoms?

Such as:
Unusual smells, new noises, lack of power, oily buildup inside the exhaust pipe?

Is this a new problem today or has it been getting steadily worse?</s>