Location of maf sensor 2001 chevy tracker v6 - 2001 Chevrolet Tracker

The mass air flow is part of the throttle body assembly. its where the big air hose from the air filter hooks to on the motor. here is a picture to aid you. hope this helps

If I doint mistake, the MAF (Mass Air Flow) sensor is located on the top back of the intake manifold under the engine cover.

1) Air cleaner assy 2) Upper cover 3) Lower cover
4) Lower cover Cushion 5) Lower cover Spacer 6) Lower cover Bolt
7) Filter element 8) Air inlet duct 9) Air inlet duct Insulator
10) Resonator 11) Resonator Cushion 12) Resonator Insulator
13) Air temp sensor 14) Air temp sensor Grommet 15) Adapter
16) AIR MASS SENSOR 17) Inlet duct 1.6 liter 18) Resonator box




Hope helps (remember to rate this answer).