I have a 1997 Z24 Cavalier with a 115,000 miles and I have been having some (fuel related?) problems.

When I push on the gas it acts like it is starving for gas and it will fall on its face like it is going to die. If I let back out on the gas to try to let it idle, then it will idle speraticly. My fuel filter is good. My plugs, spark boots, coils, all of that are good and fairly new. My car had a TPS code, could that be doing it and if so why? I am also having downstream (after cat.) O2 sensor problems after getting my 60mm mandrel bent exhaust installed. Could a mixture of both of these codes be causing my car to almost stall out when I try to take of from stop signsk, or could it be my fuel pump trying to go out? If it is my fuel pump can I do the S-10 Balzer pump swap and still use my stock fuel pressure regulator, injectors, ect? What else could it be?

ANY suggestion will be a GREAT help!! Where should I start? What do I need to check or what do I need to do first?

Is my TPS code becuase I have a 2.3 TB and 2.3 sensors or could it be bad and need to be replaced?

97CavfireZ wrote:Is my TPS code becuase I have a 2.3 TB and 2.3 sensors or could it be bad and need to be replaced?

Yes & yes.

The TPS could be bad. If you're mixing and matching parts (computer & 2.3 TB & sensors) that were never designed to work together, the computer might be getting confused about the info its getting from the sensors, causing the code.

You need to ask somebody who's already done the swap you did to see if they had any issues.