Okay so I have a 91 Acura Integra an recently got a new clutch an spark plugs as well as fuel line put on. But now on occasion when I drive it acts like it's going to shut off on me. My ECU was reading codes for the coolant sensor as well as the baro sensor an I believe map. . I've replaced the map sensor. An the coolant sensor. An still does the same thing. But recently it has begun to smell like gas after driving. What's the issue wit that an where's the baro sensor is it in the ECU

 

You can get a BARO sensor error from bad MAP or TPS sensor readings. You should double check the voltage outputs on those two sensors, to make sure that they are operating correctly. A bad MAP sensor gasket can also give you this code.