Lack of power

Good evening, Foros friends, I have a problem with my car to see if you can help me, it turns out that when I am going to upload a slope or demand power does not respond at once but that it is taking strength little by little it is a Chevrolet Cavalier 1998 Automatic with 2.2 engine, the pressure of the gasoline pump is met and it is approximately 40 psi thanks for any information is appreciated beforehand beforehand

Eudop77 is a bit closed as well as you propose many factors, you must measure compression, if you have valve regulation then you can realize a closure to enhance the compression, as it is automatic there is also the possibility that the box is not working as it should, enhances a little more tests to rule