1995 Other Nissan Models

Dear colleagues, probably my first question was not well phrased.

My car has the following symptoms:

1. It has a strong smell of petrol in the morning and after any cold start.
2. When I start it in the morning, acceleration is difficult until it warms up completely.

3. Even after warming up, acceleration remains slightly weak, characterized by low accelerating power.

does any one have an idea what I could do to solve this persistent problem.