Question

Codes P0101 and P0106 had P0171 and P0174 replaced intake plenum is it the MAP sensor cleaned MAF 2000 Cadillac Eldorado Northstar

Answer 1

This is most likely a maf sensor issue or the wiring to it. You will rarely get codes specific to the maf unless it is broken internally or the wiring is bad. Since you also have the lean codes, it is likey the maf sensor.