Hi, I have a LS motor with OBD1 P75 ecu. I am having a problem with my CEL coming on for my MAP sensor (Code 3). I have a chipped ECU and a basemap. When I start my car the car runs very rich with smoke pouring out the back, will not rev past 4k, and doesn't want to idle.

I have to press the gas a bit to get it started and for it to stay running for even a couple of seconds, then it just bogs down and dies. I know my MAP and TPS sensors are hooked up right cause i checked the wires.

Any help appreciated!